Close issues & PRs if no reply when requested (#5646)

.github/workflows/close-if-no-reply.yml

@@ -0,0 +1,25 @@
+name: Close issue/PR if no reply
+on:
+  schedule:
+    - cron: '30 1 * * *'
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v4
+        with:
+          days-before-stale: 10
+          days-before-close: 10
+          only-labels: 'Awaiting reply'
+          stale-issue-label: 'Still awaiting reply'
+          stale-pr-label: 'Still awaiting reply'
+          labels-to-remove-when-unstale: 'Awaiting reply'
+          close-issue-label: "Close reason: no reply"
+          close-pr-label: "Close reason: no reply"
+          close-issue-message: "This issue was closed because we didn't get a reply for 20 days."
+          close-pr-message: "This pr was closed because we didn't get a reply for 20 days."