Merge pull request #9638 from weseek/dependabot/github_actions/docker/build-push-action-6

ci(deps): bump docker/build-push-action from 4 to 6

.github/workflows/release-slackbot-proxy.yml

@@ -51,7 +51,7 @@ jobs:
       uses: docker/setup-buildx-action@v3
 
     - name: Build and push
-      uses: docker/build-push-action@v4
+      uses: docker/build-push-action@v6
       with:
         context: .
         file: ./apps/slackbot-proxy/docker/Dockerfile