Merge pull request #72 from filecoin-project/dependabot/github_actions/docker/build-push-action-4

chore(deps): bump docker/build-push-action from 2 to 4

Author: galargh

.github/workflows/publish-container.yaml

@@ -46,7 +46,7 @@ jobs:
         password: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Build and push Docker image
-      uses: docker/build-push-action@v2
+      uses: docker/build-push-action@v4
       with:
         context: .
         push: true