Add action to close inactive issues/pr

.github/workflows/close-inactive-issues.yaml

@@ -0,0 +1,36 @@
+name: Close inactive issues
+on:
+  schedule:
+    - cron: "30 1 * * *"
+
+jobs:
+  close-issues:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v5
+        with:
+          days-before-issue-stale: 30
+          days-before-issue-close: 14
+          stale-issue-label: "stale"
+          stale-issue-message: >
+            This issue has been automatically marked as stale because it has not had
+            activity in the 30 days. It will be closed in 14 days if no further activity occurs. Please
+            feel free to leave a comment if you believe the issue is still relevant.
+            Thank you for your contributions!
+          close-issue-message: >
+            This issue has been automatically closed because it has not had any further
+            activity in the last 14 days. Thank you for your contributions!
+          days-before-pr-stale: 60
+          days-before-pr-close: 14
+          stale-pr-label: "stale"
+          stale-pr-message: >
+            This pull request has been automatically marked as stale because it has not had
+            activity in the last 60 days. It will be closed in 14 days if no further activity occurs. Please
+            feel free to give a status update or ping for review. Thank you for your contributions!
+          close-pr-message: >
+            This pull request has been automatically closed because it has not had any further
+            activity in the last 14 days. Thank you for your contributions!
+          repo-token: ${{ secrets.GITHUB_TOKEN }}