Ignore confirmed for stale

Author: alexyao2015

.github/workflows/stale.yml

@@ -17,3 +17,4 @@ jobs:
         stale-pr-message: 'Stale pull request message'
         stale-issue-label: 'no-issue-activity'
         stale-pr-label: 'no-pr-activity'
+        exempt-issue-labels: 'confirmed'