stale ignore keep,todo,tracking

.github/workflows/stale.yml

@@ -11,3 +11,5 @@ jobs:
           stale-issue-message: 'This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
           days-before-stale: 90
           days-before-close: 7
+          exempt-issue-labels: keep,todo,tracking
+          exempt-pr-labels: keep,todo,tracking