chore(deps): update docker/build-push-action digest to c84f382

Author: renovate[bot]

Diff for: .github/workflows/relay.yaml

@@ -66,7 +66,7 @@ jobs:
 
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@c5e6528d5ddefc82f682165021e05edf58044bce
+        uses: docker/build-push-action@c84f38281176d4c9cdb1626ffafcd6b3911b5d94
         with:
           context: dist/packages/relay
           push: ${{ github.event_name != 'pull_request' }}