chore(deps): bump actions/checkout from 4 to 6 (#7585)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](https://github.com/actions/checkout/compare/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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/container_latest.yml

@@ -26,7 +26,7 @@ jobs:
             qemu: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Free Disk Space
         run: |
           echo "Available disk space before cleanup:"
@@ -113,7 +113,7 @@ jobs:
     if: github.event_name != 'pull_request'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Docker meta
         id: docker_meta
         uses: docker/metadata-action@v5