Fix stale issue message accuracy (74 days total)

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

.github/workflows/stale.yml

@@ -26,7 +26,8 @@ jobs:
             recent activity. It will be closed in 14 days if no further activity occurs.
             Thank you for your contributions.
           close-issue-message: >
-            This issue was automatically closed because it has not had activity for 30 days.
+            This issue was automatically closed because it has not had activity for 74 days
+            (marked stale after 60 days, then closed after 14 more days of inactivity).
             Please feel free to reopen if you believe this issue is still relevant.
           days-before-issue-stale: 60
           days-before-issue-close: 14