[local] Add sync workflow

Author: antoine-gaillard

.github/workflows/sync.yml

@@ -0,0 +1,21 @@
+name: Sync upstream
+# This runs every day on 1000 UTC
+on:
+  schedule:
+    - cron: '0 10 * * *'
+  # Allows manual workflow run
+  workflow_dispatch:
+
+permissions: write-all
+
+jobs:
+ build:
+  runs-on: ubuntu-latest
+  steps:
+    - name: Create upstream version tag
+      uses: DataDog/[email protected]
+      with:
+        github_actor: "${GITHUB_ACTOR}"
+        github_repository: "${GITHUB_REPOSITORY}"
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        upstream_repo: kubernetes-csi/external-snapshotter