deps(renovate): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24.x
@@ -25,7 +25,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24.x

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
   Lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24.x
@@ -20,7 +20,7 @@ jobs:
   Build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24.x
@@ -31,7 +31,7 @@ jobs:
   Test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: actions/setup-node@v6
@@ -47,7 +47,7 @@ jobs:
   TestBun:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: oven-sh/setup-bun@v2
@@ -61,7 +61,7 @@ jobs:
   TestDeno:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: denoland/setup-deno@v2
@@ -73,7 +73,7 @@ jobs:
   TestPublish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24.x