change: stale config

.github/stale.yml

@@ -18,9 +18,15 @@ exemptLabels:
   - semver:major
   - good first issue
 
+# Set to true to ignore issues in a milestone (defaults to false)
+exemptMilestones: true
+
 # Label to use when marking an issue as stale
 staleLabel: stale
 
+# Limit to only `issues` or `pulls`
+only: issues
+
 # 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