Bump docker/build-push-action

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 7e6f77677b7892794c8852c6e3773c3e9bc3129a to a8d35412fb758de9162fd63e3fa3f0942bdedb4d.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@7e6f776...a8d3541)

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

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

.github/workflows/docker-publish.yml

@@ -71,7 +71,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@7e6f77677b7892794c8852c6e3773c3e9bc3129a
+        uses: docker/build-push-action@a8d35412fb758de9162fd63e3fa3f0942bdedb4d
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}