Update Symfony packages to v8

| datasource | package                  | from  | to    |
| ---------- | ------------------------ | ----- | ----- |
| packagist  | symfony/event-dispatcher | 7.3.3 | 8.0.0 |
| packagist  | symfony/type-info        | 7.3.5 | 8.0.0 |
| packagist  | symfony/var-dumper       | 7.3.5 | 8.0.0 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

composer.json

@@ -23,8 +23,8 @@
     "ext-openssl": "*",
     "psr/cache": "^2.0.0 || ^3.0.0",
     "psr/simple-cache": "^2.0.0 || ^3.0.0",
-    "symfony/event-dispatcher": "^5.4.29 || ^6.4.0 || ^7.0.0",
-    "symfony/type-info": "^7.3.0"
+    "symfony/event-dispatcher": "^5.4.29 || ^6.4.0 || ^7.0.0 || ^8.0.0",
+    "symfony/type-info": "^7.3.0 || ^8.0.0"
   },
   "require-dev": {
     "infection/infection": "^0.31.9",
@@ -33,7 +33,7 @@
     "phpstan/phpstan": "^2.1.0",
     "phpunit/phpunit": "^11.5.17",
     "psalm/plugin-phpunit": "^0.19.2",
-    "symfony/var-dumper": "^5.4.29 || ^6.4.0 || ^7.0.0",
+    "symfony/var-dumper": "^8.0.0",
     "vimeo/psalm": "^6.0.0"
   },
   "config": {