Bump docker/build-push-action from 6.10.0 to 6.12.0 (#164)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.10.0 to 6.12.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@48aba3b...67a2d40)

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

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

.github/workflows/on-push-pr.yml

@@ -57,7 +57,7 @@ jobs:
             type=semver,pattern={{major}}
             type=sha
 
-      - uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355  # v6.10.0
+      - uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d  # v6.12.0
         with:
           context: .
           push: true