stale issues

.github/workflows/stale.yml

+name: "Close stale issues and PRs"
+
+on: [workflow_dispatch]
+  # schedule:
+  #   # Every day at 00:00
+  #   - cron: "0 0 * * *"
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v2.0.0
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          stale-issue-message: 'This issue had no activity for **6 months**. It will be closed in **2 weeks** unless there is some new activity.'
+          stale-issue-label: 'stale'
+          exempt-issue-labels: 'bug,enhancement,Priority P0,Priority P1,Priority P2'
+          stale-pr-message: 'This pull request had no activity for **6 months**. It will be closed in **2 weeks** unless there is some new activity.'
+          stale-pr-label: 'stale'
+          days-before-stale: 180
+          days-before-close: 14