chore(stale): add new exempt tags based off issue handling diagram

.github/stale.yml

@@ -15,6 +15,8 @@ exemptLabels:
   - internal
   - BUG
   - "help wanted"
+  - "#triage/accepted"
+  - "#needs-triage"
 
 # Set to true to ignore issues in a project (defaults to false)
 exemptProjects: false