Merge pull request #8207 from weseek/dependabot/github_actions/docker/setup-buildx-action-3

ci(deps): bump docker/setup-buildx-action from 2 to 3

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

@@ -48,7 +48,7 @@ jobs:
         gcloud auth configure-docker --quiet
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v2
+      uses: docker/setup-buildx-action@v3
 
     - name: Build and push
       uses: docker/build-push-action@v4