chore: Update stale label to indicate staleness more accurately

Author: mrchief

.github/stale.yml

@@ -8,11 +8,11 @@ exemptLabels:
   - security
   - wip
 # 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
   recent activity. It will be closed if no further activity occurs. Thank you
   for your contributions.
 # Comment to post when closing a stale issue. Set to `false` to disable
-closeComment: false
+closeComment: false