build(deps): bump docker/build-push-action

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from f2a1d5e99d037542a71f64918e516c093c6f3fc4 to 9f6f8c940b91232557f8699b21341a08624a8dce.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@f2a1d5e...9f6f8c9)

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

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

.github/workflows/image.yml

@@ -45,7 +45,7 @@ jobs:
             type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        uses: docker/build-push-action@9f6f8c940b91232557f8699b21341a08624a8dce
         with:
           push: ${{ github.event_name != 'pull_request' }}
           context: .