Update stale.yml

.github/stale.yml

@@ -3,6 +3,8 @@ daysUntilClose: 7
 exemptLabels:
   - 'accepted'
   - 'bug'
+  - 'confirmed bug (tested)'
+  - 'potential bug (needs testing)'
   - 'suggestion'
   - 'help wanted'
 staleLabel: stale
@@ -10,4 +12,4 @@ markComment: >
   This issue has been automatically marked as stale because it has not had
   recent activity. It will be closed if no further activity occurs. Thank you
   for your contributions.
-closeComment: false
+closeComment: false