Update stale.yml

Author: AndrewRH

.github/stale.yml

@@ -5,7 +5,11 @@ daysUntilClose: 7
 # Issues with these labels will never be considered stale
 exemptLabels:
   - pinned
-  - security
+  - enhancement
+  - bug
+  - Bug
+  - HIGH
+  - high
 # Label to use when marking an issue as stale
 staleLabel: stale
 # Comment to post when marking an issue as stale. Set to `false` to disable