Bump docker/build-push-action in the dependencies group (#7502)

Bumps the dependencies group with 1 update: [docker/build-push-action](https://github.com/docker/build-push-action).


Updates `docker/build-push-action` from 6.0.0 to 6.1.0
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/c382f710d39a5bb4e430307530a720f50c2d3318...31159d49c0d4756269a0940a750801a1ea5d7003)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

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

.github/workflows/docker.yaml

@@ -166,7 +166,7 @@ jobs:
       - name: Push Docker Images
         id: push-docker
         if: github.event_name != 'pull_request'
-        uses: docker/build-push-action@c382f710d39a5bb4e430307530a720f50c2d3318 # pin@v6.0.0
+        uses: docker/build-push-action@31159d49c0d4756269a0940a750801a1ea5d7003 # pin@v6.1.0
         with:
           context: .
           file: ./contrib/container/Dockerfile