chore(deps): Bump actions/checkout from 4 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...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>

Author: dependabot[bot]

.github/workflows/build-project.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK 17
         uses: actions/setup-java@v4

.github/workflows/release-please.yml

@@ -25,7 +25,7 @@ jobs:
 
       - if: ${{ steps.release.outputs.release_created }}
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Extract tag name
         if: ${{ steps.release.outputs.release_created }}

.github/workflows/release-project.yml

@@ -16,7 +16,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Extract tag name
         id: extract_tagname

.github/workflows/reuse.yml

@@ -11,6 +11,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: REUSE Compliance Check
         uses: fsfe/reuse-action@v3

.github/workflows/sonarcloud-analysis.yml

@@ -40,7 +40,7 @@ jobs:
           full_name: ${{ github.event.repository.full_name }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: ${{ github.event.workflow_run.head_repository.full_name }}
           ref: ${{ github.event.workflow_run.head_branch }}

.github/workflows/sonarcloud-build.yml

@@ -26,7 +26,7 @@ jobs:
     if: ${{ (github.event_name != 'pull_request_target' && github.actor != 'dependabot[bot]') || (github.actor == 'dependabot[bot]' && github.event_name == 'pull_request_target') }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0