chore: allow staging workflow to push

Author: Vilsol

.github/workflows/staging.yml

@@ -42,6 +42,6 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
-          push: false
+          push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}