Relax the stalebot config

.github/stale.yml

@@ -1,11 +1,11 @@
 # Configuration for probot-stale - https://github.com/probot/stale
 
 # Number of days of inactivity before an Issue or Pull Request becomes stale
-daysUntilStale: 30
+daysUntilStale: 90
 
 # Number of days of inactivity before an Issue or Pull Request with the stale label is closed.
 # Set to false to disable. If disabled, issues still need to be closed manually, but will remain marked as stale.
-daysUntilClose: 15
+daysUntilClose: 30
 
 # Only issues or pull requests with all of these labels are check if stale. Defaults to `[]` (disabled)
 onlyLabels: []
@@ -20,10 +20,10 @@ exemptLabels:
 exemptProjects: false
 
 # Set to true to ignore issues in a milestone (defaults to false)
-exemptMilestones: false
+exemptMilestones: true
 
 # Set to true to ignore issues with an assignee (defaults to false)
-exemptAssignees: false
+exemptAssignees: true
 
 # Label to use when marking as stale
 staleLabel: stale