Adjust stale-bot config

Author: tidal

.github/stale.yml

@@ -5,10 +5,11 @@ daysUntilStale: 30
 daysUntilClose: 7
 # Issues with these labels will never be considered stale
 exemptLabels:
-  - pinned
-  - security
+  - 'pinned'
+  - 'security'
+  - 'help wanted'
 # Label to use when marking an issue as stale
-staleLabel: wontfix
+staleLabel: 'stale'
 # Comment to post when marking an issue as stale. Set to `false` to disable
 markComment: >
   This issue has been automatically marked as stale because it has not had