fix: Update stale message

.github/stale.yml

@@ -23,7 +23,7 @@ staleLabel: inactive
 # Comment to post when marking as stale. Set to `false` to disable
 markComment: >
   This pull request has been automatically marked as stale because it has not had
-  recent activity. It will be closed within a week if no further activity occurs, but it
+  recent activity. It will be closed within 3 days if no further activity occurs, but it
   only takes a comment to keep a contribution alive :) Also, even if it is closed,
   you can always reopen the PR when you're ready. Thank you for contributing.