Update Stalebot config

Author: risadams

.github/workflows/stale.yml

@@ -19,5 +19,5 @@ jobs:
         stale-pr-label: 'no-pr-activity'
         exempt-issue-labels: 'awaiting-approval,work-in-progress,pending review,discussion'
         exempt-pr-labels: 'awaiting-approval,work-in-progress,pending review,discussion'
-        days-before-stale: 90
-        days-before-close: 5
+        days-before-stale: 120
+        days-before-close: 15