Update actions/checkout action to v6

.github/workflows/auto-release.yml

@@ -25,7 +25,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.AUTO_RELEASE_PAT }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Major Version Bump
         if: ${{ contains(github.event.*.labels.*.name, 'major :1st_place_medal:') }}
         run: make version BUMP=major

.github/workflows/main.yml

@@ -27,7 +27,7 @@ jobs:
     name: Test with Java ${{ matrix.java }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up JDK
@@ -47,7 +47,7 @@ jobs:
     needs: cancel-previous
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: "Generate Coverage Report"

.github/workflows/publish.yml

@@ -29,7 +29,7 @@ jobs:
       ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.KEY_PWD }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up JDK
         uses: actions/setup-java@v5.0.0
         with:

.github/workflows/verify-doc.yml

@@ -16,7 +16,7 @@ jobs:
         file: [ 'website/docs/changelog.md','README.md' ]
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Major
         if: ${{ contains(github.event.*.labels.*.name, 'major :1st_place_medal:') }}
         run: make verify-doc BUMP=major FILE=${{ matrix.file }}

.github/workflows/website.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0