build(deps): bump actions/checkout from 5 to 6 (#163)

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/build.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Java
       uses: actions/setup-java@v5
       with:

.github/workflows/codeql-analysis.yml

@@ -31,7 +31,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Java
       uses: actions/setup-java@v5

.github/workflows/compat-17.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Java
       uses: actions/setup-java@v5
       with:

.github/workflows/dependency-submission.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up Java
         uses: actions/setup-java@v5
         with:

.github/workflows/deploy.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
     steps:
       - name: Checkout your repository using git
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install, build, and upload your site
         uses: withastro/action@v4
         with:

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
   release:
     runs-on: ubuntu-24.04-arm
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0  # Required for JReleaser to access full commit history
       - name: Set up Java