Bump docker/build-push-action from 2 to 4

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2 to 4.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v2...v4)

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

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

.github/workflows/update_broker_image.yml

@@ -27,7 +27,7 @@ jobs:
           password: ${{ secrets.QUAY_PASSWORD }}
 
       - name: Build and push image to Quay
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v4
         with:
           file: ./Dockerfile
           push: true