Merge pull request #31150 from TerryHowe/feature-add-stale-pr-workflow

Feature add stale pr workflow

.github/workflows/stale.yaml

@@ -11,6 +11,7 @@ jobs:
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         stale-issue-message: 'This issue has been marked as stale because it has been open for 90 days with no activity. This thread will be automatically closed in 30 days if no further activity occurs.'
+        stale-pr-message: 'This pull request has been marked as stale because it has been open for 90 days with no activity. This pull request will be automatically closed in 30 days if no further activity occurs.'
         exempt-issue-labels: 'keep open,v4.x,in progress'
         days-before-stale: 90
         days-before-close: 30