Update Stalebot settings

.github/stale.yml

@@ -1,19 +1,21 @@
 # Number of days of inactivity before an issue becomes stale
-daysUntilStale: 60
+daysUntilStale: 180
 # Number of days of inactivity before a stale issue is closed
 daysUntilClose: 7
 # Issues with these labels will never be considered stale
 exemptLabels:
   - pinned
   - security
+  - never stale
 # Label to use when marking an issue as stale
-staleLabel: wontfix
+staleLabel: timed out
 # 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.
+  recent activity in the last 180 days. It will be closed if no further
+  activity occurs in the next week. Please feel free to comment if you'd like
+  it to remain open, and thank you for your contributions.
 # Comment to post when closing a stale issue. Set to `false` to disable
 closeComment: >
   This issue has been automatically closed because it has not had recent
-  activity. You may re-open the issue if it is still relevant.
+  activity. You may re-open the issue if it is still relevant.