Bump actions/checkout from 5 to 6 (#223)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/pr-lint.yml

@@ -14,7 +14,7 @@ jobs:
     env:
       GITHUB_TOKEN: ${{ secrets.MY_GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK
         uses: actions/setup-java@v5

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
     env:
       GITHUB_TOKEN: ${{ secrets.MY_GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK
         uses: actions/setup-java@v5
@@ -87,7 +87,7 @@ jobs:
       - name: Install system packages
         run: ${{ matrix.packages }}
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK
         uses: actions/setup-java@v5
@@ -132,7 +132,7 @@ jobs:
         os: ["ubuntu-latest", "windows-latest", "macos-latest"]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up JDK
         uses: actions/setup-java@v5
@@ -165,7 +165,7 @@ jobs:
       SKIP_NATIVE_GENERATION: true
     needs: [test-build]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Configure SSH
         uses: webfactory/ssh-agent@v0.9.1