Add allows check for sync

.github/workflows/target-image-sync.yml

@@ -64,6 +64,10 @@ jobs:
         gh issue edit ${{ github.event.issue.number }} --add-label "sync image succeeded" -b "IMAGE SYNC"
         gh issue close ${{ github.event.issue.number }} --reason "completed"
 
+        if ! ./hack/verify-allows.sh ./allows.txt "${ORIGIN_IMAGE}"; then
+          gh issue comment ${{ github.event.issue.number }} -b "这个镜像不在白名单列表里, 在未来可能将无法访问<br>将其添加到[白名单](https://github.com/DaoCloud/public-image-mirror/blob/main/allows.txt)"
+        fi
+
     - name: Fail Sync
       if: failure()
       env: