diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e586345..2a04e16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /tmp/composer-cache
-          key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
+          key: ${{ runner.os }}-${{ matrix.php }}-${{ hashFiles('**/composer.lock') }}
 
       - name: Composer install
         uses: php-actions/composer@v6
@@ -29,7 +29,7 @@ jobs:
       - name: Upload build archive for test runners
         uses: actions/upload-artifact@v4
         with:
-          name: build-artifact
+          name: build-artifact-${{ matrix.php }}
           path: /tmp/github-actions
 
   phpunit:
@@ -45,7 +45,7 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
-          name: build-artifact
+          name: build-artifact-${{ matrix.php }}
           path: /tmp/github-actions
 
       - name: Extract build archive
@@ -62,21 +62,24 @@ jobs:
           coverage_clover: _coverage/clover.xml
 
       - name: Store coverage data
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: code-coverage
+          name: code-coverage-${{ matrix.php }}-${{ github.run_number }}
           path: _coverage
 
   coverage:
     runs-on: ubuntu-latest
     needs: [ phpunit ]
+    strategy:
+      matrix:
+        php: [ 8.1, 8.2, 8.3, 8.4 ]
 
     steps:
       - uses: actions/checkout@v4
 
       - uses: actions/download-artifact@v4
         with:
-          name: code-coverage
+          name: code-coverage-${{ matrix.php }}-${{ github.run_number }}
           path: _coverage
 
       - name: Output coverage
@@ -95,7 +98,7 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
-          name: build-artifact
+          name: build-artifact-${{ matrix.php }}
           path: /tmp/github-actions
 
       - name: Extract build archive
@@ -117,7 +120,7 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
-          name: build-artifact
+          name: build-artifact-${{ matrix.php }}
           path: /tmp/github-actions
 
       - name: Extract build archive
@@ -141,7 +144,7 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
-          name: build-artifact
+          name: build-artifact-${{ matrix.php }}
           path: /tmp/github-actions
 
       - name: Extract build archive
@@ -162,7 +165,7 @@ jobs:
         env:
           GH_TOKEN: ${{ github.token }}
         run: |
-          gh api "/repos/${{ github.repository }}/actions/artifacts?name=build-artifact" | jq ".artifacts[] | select(.name == \"build-artifact\") | .id" > artifact-id-list.txt
+          gh api "/repos/${{ github.repository }}/actions/artifacts?name=build-artifact" | jq ".artifacts[] | select(.name | startswith(\"build-artifact\")) | .id" > artifact-id-list.txt
           while read id
           do
             echo -n "Deleting artifact ID $id ... "
diff --git a/composer.lock b/composer.lock
index 95077eb..f08a599 100644
--- a/composer.lock
+++ b/composer.lock
@@ -207,16 +207,16 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.12.1",
+            "version": "1.13.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "123267b2c49fbf30d78a7b2d333f6be754b94845"
+                "reference": "024473a478be9df5fdaca2c793f2232fe788e414"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/123267b2c49fbf30d78a7b2d333f6be754b94845",
-                "reference": "123267b2c49fbf30d78a7b2d333f6be754b94845",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/024473a478be9df5fdaca2c793f2232fe788e414",
+                "reference": "024473a478be9df5fdaca2c793f2232fe788e414",
                 "shasum": ""
             },
             "require": {
@@ -255,7 +255,7 @@
             ],
             "support": {
                 "issues": "https://github.com/myclabs/DeepCopy/issues",
-                "source": "https://github.com/myclabs/DeepCopy/tree/1.12.1"
+                "source": "https://github.com/myclabs/DeepCopy/tree/1.13.0"
             },
             "funding": [
                 {
@@ -263,7 +263,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-11-08T17:47:46+00:00"
+            "time": "2025-02-12T12:17:51+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -589,16 +589,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.12.16",
+            "version": "1.12.20",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "e0bb5cb78545aae631220735aa706eac633a6be9"
+                "reference": "3240b1972042c7f73cf1045e879ea5bd5f761bb7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e0bb5cb78545aae631220735aa706eac633a6be9",
-                "reference": "e0bb5cb78545aae631220735aa706eac633a6be9",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/3240b1972042c7f73cf1045e879ea5bd5f761bb7",
+                "reference": "3240b1972042c7f73cf1045e879ea5bd5f761bb7",
                 "shasum": ""
             },
             "require": {
@@ -643,7 +643,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-01-21T14:50:05+00:00"
+            "time": "2025-03-05T13:37:43+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -968,16 +968,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.43",
+            "version": "10.5.45",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "fb117a8772c14fdc41acb1ded0de44de0c9091f9"
+                "reference": "bd68a781d8e30348bc297449f5234b3458267ae8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/fb117a8772c14fdc41acb1ded0de44de0c9091f9",
-                "reference": "fb117a8772c14fdc41acb1ded0de44de0c9091f9",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/bd68a781d8e30348bc297449f5234b3458267ae8",
+                "reference": "bd68a781d8e30348bc297449f5234b3458267ae8",
                 "shasum": ""
             },
             "require": {
@@ -1049,7 +1049,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.43"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.45"
             },
             "funding": [
                 {
@@ -1065,7 +1065,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-01-29T13:59:45+00:00"
+            "time": "2025-02-06T16:08:12+00:00"
         },
         {
             "name": "psr/container",
@@ -2172,34 +2172,34 @@
         },
         {
             "name": "symfony/config",
-            "version": "v7.2.3",
+            "version": "v6.4.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/config.git",
-                "reference": "7716594aaae91d9141be080240172a92ecca4d44"
+                "reference": "4e55e7e4ffddd343671ea972216d4509f46c22ef"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/config/zipball/7716594aaae91d9141be080240172a92ecca4d44",
-                "reference": "7716594aaae91d9141be080240172a92ecca4d44",
+                "url": "https://api.github.com/repos/symfony/config/zipball/4e55e7e4ffddd343671ea972216d4509f46c22ef",
+                "reference": "4e55e7e4ffddd343671ea972216d4509f46c22ef",
                 "shasum": ""
             },
             "require": {
-                "php": ">=8.2",
+                "php": ">=8.1",
                 "symfony/deprecation-contracts": "^2.5|^3",
-                "symfony/filesystem": "^7.1",
+                "symfony/filesystem": "^5.4|^6.0|^7.0",
                 "symfony/polyfill-ctype": "~1.8"
             },
             "conflict": {
-                "symfony/finder": "<6.4",
+                "symfony/finder": "<5.4",
                 "symfony/service-contracts": "<2.5"
             },
             "require-dev": {
-                "symfony/event-dispatcher": "^6.4|^7.0",
-                "symfony/finder": "^6.4|^7.0",
-                "symfony/messenger": "^6.4|^7.0",
+                "symfony/event-dispatcher": "^5.4|^6.0|^7.0",
+                "symfony/finder": "^5.4|^6.0|^7.0",
+                "symfony/messenger": "^5.4|^6.0|^7.0",
                 "symfony/service-contracts": "^2.5|^3",
-                "symfony/yaml": "^6.4|^7.0"
+                "symfony/yaml": "^5.4|^6.0|^7.0"
             },
             "type": "library",
             "autoload": {
@@ -2227,7 +2227,7 @@
             "description": "Helps you find, load, combine, autofill and validate configuration values of any kind",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/config/tree/v7.2.3"
+                "source": "https://github.com/symfony/config/tree/v6.4.14"
             },
             "funding": [
                 {
@@ -2243,43 +2243,44 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-01-22T12:07:01+00:00"
+            "time": "2024-11-04T11:33:53+00:00"
         },
         {
             "name": "symfony/dependency-injection",
-            "version": "v7.2.3",
+            "version": "v6.4.19",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dependency-injection.git",
-                "reference": "1d321c4bc3fe926fd4c38999a4c9af4f5d61ddfc"
+                "reference": "b343c3b2f1539fe41331657b37d5c96c1d1ea842"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/1d321c4bc3fe926fd4c38999a4c9af4f5d61ddfc",
-                "reference": "1d321c4bc3fe926fd4c38999a4c9af4f5d61ddfc",
+                "url": "https://api.github.com/repos/symfony/dependency-injection/zipball/b343c3b2f1539fe41331657b37d5c96c1d1ea842",
+                "reference": "b343c3b2f1539fe41331657b37d5c96c1d1ea842",
                 "shasum": ""
             },
             "require": {
-                "php": ">=8.2",
+                "php": ">=8.1",
                 "psr/container": "^1.1|^2.0",
                 "symfony/deprecation-contracts": "^2.5|^3",
-                "symfony/service-contracts": "^3.5",
-                "symfony/var-exporter": "^6.4|^7.0"
+                "symfony/service-contracts": "^2.5|^3.0",
+                "symfony/var-exporter": "^6.2.10|^7.0"
             },
             "conflict": {
                 "ext-psr": "<1.1|>=2",
-                "symfony/config": "<6.4",
-                "symfony/finder": "<6.4",
-                "symfony/yaml": "<6.4"
+                "symfony/config": "<6.1",
+                "symfony/finder": "<5.4",
+                "symfony/proxy-manager-bridge": "<6.3",
+                "symfony/yaml": "<5.4"
             },
             "provide": {
                 "psr/container-implementation": "1.1|2.0",
                 "symfony/service-implementation": "1.1|2.0|3.0"
             },
             "require-dev": {
-                "symfony/config": "^6.4|^7.0",
-                "symfony/expression-language": "^6.4|^7.0",
-                "symfony/yaml": "^6.4|^7.0"
+                "symfony/config": "^6.1|^7.0",
+                "symfony/expression-language": "^5.4|^6.0|^7.0",
+                "symfony/yaml": "^5.4|^6.0|^7.0"
             },
             "type": "library",
             "autoload": {
@@ -2307,7 +2308,7 @@
             "description": "Allows you to standardize and centralize the way objects are constructed in your application",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/dependency-injection/tree/v7.2.3"
+                "source": "https://github.com/symfony/dependency-injection/tree/v6.4.19"
             },
             "funding": [
                 {
@@ -2323,7 +2324,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-01-17T10:56:55+00:00"
+            "time": "2025-02-20T10:02:49+00:00"
         },
         {
             "name": "symfony/deprecation-contracts",
@@ -2394,25 +2395,25 @@
         },
         {
             "name": "symfony/filesystem",
-            "version": "v7.2.0",
+            "version": "v6.4.13",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "b8dce482de9d7c9fe2891155035a7248ab5c7fdb"
+                "reference": "4856c9cf585d5a0313d8d35afd681a526f038dd3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/b8dce482de9d7c9fe2891155035a7248ab5c7fdb",
-                "reference": "b8dce482de9d7c9fe2891155035a7248ab5c7fdb",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/4856c9cf585d5a0313d8d35afd681a526f038dd3",
+                "reference": "4856c9cf585d5a0313d8d35afd681a526f038dd3",
                 "shasum": ""
             },
             "require": {
-                "php": ">=8.2",
+                "php": ">=8.1",
                 "symfony/polyfill-ctype": "~1.8",
                 "symfony/polyfill-mbstring": "~1.8"
             },
             "require-dev": {
-                "symfony/process": "^6.4|^7.0"
+                "symfony/process": "^5.4|^6.4|^7.0"
             },
             "type": "library",
             "autoload": {
@@ -2440,7 +2441,7 @@
             "description": "Provides basic utilities for the filesystem",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/filesystem/tree/v7.2.0"
+                "source": "https://github.com/symfony/filesystem/tree/v6.4.13"
             },
             "funding": [
                 {
@@ -2456,7 +2457,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-10-25T15:15:23+00:00"
+            "time": "2024-10-25T15:07:50+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
@@ -2702,25 +2703,26 @@
         },
         {
             "name": "symfony/var-exporter",
-            "version": "v7.2.0",
+            "version": "v6.4.19",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-exporter.git",
-                "reference": "1a6a89f95a46af0f142874c9d650a6358d13070d"
+                "reference": "be6e71b0c257884c1107313de5d247741cfea172"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/1a6a89f95a46af0f142874c9d650a6358d13070d",
-                "reference": "1a6a89f95a46af0f142874c9d650a6358d13070d",
+                "url": "https://api.github.com/repos/symfony/var-exporter/zipball/be6e71b0c257884c1107313de5d247741cfea172",
+                "reference": "be6e71b0c257884c1107313de5d247741cfea172",
                 "shasum": ""
             },
             "require": {
-                "php": ">=8.2"
+                "php": ">=8.1",
+                "symfony/deprecation-contracts": "^2.5|^3"
             },
             "require-dev": {
                 "symfony/property-access": "^6.4|^7.0",
                 "symfony/serializer": "^6.4|^7.0",
-                "symfony/var-dumper": "^6.4|^7.0"
+                "symfony/var-dumper": "^5.4|^6.0|^7.0"
             },
             "type": "library",
             "autoload": {
@@ -2758,7 +2760,7 @@
                 "serialize"
             ],
             "support": {
-                "source": "https://github.com/symfony/var-exporter/tree/v7.2.0"
+                "source": "https://github.com/symfony/var-exporter/tree/v6.4.19"
             },
             "funding": [
                 {
@@ -2774,7 +2776,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-10-18T07:58:17+00:00"
+            "time": "2025-02-13T09:33:32+00:00"
         },
         {
             "name": "theseer/tokenizer",