Update stale.yml

Author: aaronliu0130

.github/workflows/stale.yml

@@ -1,8 +1,9 @@
 name: 'Close stale issues and PRs'
 on:
-schedule:
-  - cron: '0 0 * * *'
+  schedule:
+    - cron: '0 0 * * *'
   workflow_dispatch:
+
 permissions:
   contents: write # only for delete-branch option
   issues: write