correct syntax

.github/workflows/docker-builder.yml

@@ -18,7 +18,7 @@ jobs:
       with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      name: Build and push to docker hub
+    - name: Build and push to docker hub
       uses: docker/build-push-action@v2
       with:
         context: .