updates to probot config

.github/stale.yml

@@ -4,15 +4,22 @@ daysUntilStale: 45
 daysUntilClose: 7
 # Issues with these labels will never be considered stale
 exemptLabels:
-  - pinned
-  - security
+   - fixme/bug
+   - fixme/crash
+   - fixme/regression
+   - fixme/security
+   - blocked
+   - blocking-stable
+   - needs-review
 # 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
 markComment: >
   This issue has been automatically marked as stale because it has not had
-  recent activity and is not currently on maintainers' radars. It will be closed
+  recent activity and is not currently prioritized. It will be closed
   in a week if no further activity occurs :)
 
 # Comment to post when closing a stale issue. Set to `false` to disable
-closeComment: false
+closeComment: >
+  If you still think this issue is relevant, please ping a maintainer or
+  leave a comment!