⬆ Bump docker/build-push-action

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from f8bc7f46003ef0cf98b715743d86c2f1ccd01436 to ef6cba335306ace1da064b44f9f739dec9be9fa0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@f8bc7f4...ef6cba3)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/publish-ghcr.yaml

@@ -45,7 +45,7 @@ jobs:
         run: echo "sha_short=$(git rev-parse HEAD | cut -c1-8)" >> $GITHUB_OUTPUT
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@f8bc7f46003ef0cf98b715743d86c2f1ccd01436
+        uses: docker/build-push-action@ef6cba335306ace1da064b44f9f739dec9be9fa0
         with:
           file: ./docker/Dockerfile.prod
           push: true