[hotfix][CI] Fix Stale label automatically removed without update activity

This closes #3621.

.github/workflows/close_stale.yml

@@ -50,7 +50,7 @@ jobs:
             This pull request has been closed because it has not had recent activity. You could reopen it
             if you try to continue your work, and anyone who are interested in it are encouraged to continue
             work on this pull request.
-          close-pr-label: stale
+          # Auto-remove stale has conflicts with existing approve label workflows
-          remove-pr-stale-when-updated: true
+          # and will result in Stale label missing.
-          remove-issue-stale-when-updated: true
+          remove-pr-stale-when-updated: false
-          labels-to-add-when-unstale: 'waiting for review'
+          remove-issue-stale-when-updated: false