Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/containers.yml

@@ -44,7 +44,7 @@ jobs:
     name: Build ${{ matrix.dockerfile[0] }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set Container Tag
         id: meta
@@ -94,7 +94,7 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: ${{ env.CONTAINER_NAME }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - env:
           CONTAINER_TAG: ${{ steps.meta.outputs.tags }}
         run: |