Merge pull request #2744 from wangzhaode/feature/stale_action

add stale action to clear issue.

.github/workflows/stale.yml

@@ -0,0 +1,26 @@
+name: stale
+
+on:
+ schedule:
+ - cron: '30 9 * * *'
+
+jobs:
+ stale:
+
+ runs-on: ubuntu-latest
+ permissions:
+ issues: write
+ pull-requests: write
+
+ steps:
+ - uses: actions/stale@v5
+ with:
+ repo-token: ${{ secrets.GITHUB_TOKEN }}
+ days-before-stale: 60
+ stale-issue-message: 'Marking as stale. No activity in 60 days.'
+ stale-pr-message: 'Marking as stale. No activity in 60 days.'
+ stale-issue-label: 'stale'
+ stale-pr-label: 'stale'
+ remove-stale-when-updated: true
+ operations-per-run: 1000
+ days-before-close: 3