fixup! feat: add GitHub Actions

Author: dsseng

.github/workflows/stage0.yaml

@@ -76,9 +76,6 @@ jobs:
         id: setup-buildx
         uses: docker/setup-buildx-action@v3
         with:
-          append: |
-            - endpoint: tcp://buildkit-arm64.ci.svc.cluster.local:1234
-              platforms: linux/arm64
           driver: remote
           endpoint: tcp://127.0.0.1:1234
       -