closing inactive issues (#1398)

* Create closing_inactive_issues

* Update closing_inactive_issues

Feel free to modify days-before-issue-stale and days-before-issue-close

* Update closing_inactive_issues

The following worklows does the following:

- Non-active issues are marked as stale after 8 days of no activity
- Stale issues are closed after 14 days from the time the issue is marked as stale

---------

Co-authored-by: Eugene Khvedchenya <[email protected]>

.github/workflows/closing_inactive_issues

@@ -0,0 +1,23 @@
+name: Close inactive issues
+on:
+  schedule:
+    - cron: "50 10 * * *"
+
+jobs:
+  close-issues:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v5
+        with:
+          days-before-issue-stale: 8
+          days-before-issue-close: 14
+          stale-issue-label: "stale"
+          stale-issue-message: "This issue is stale because it has been open for 8 days with no activity."
+          close-issue-message: "This issue was closed because it has been inactive for 7 days since being marked as stale."
+          days-before-pr-stale: -1
+          days-before-pr-close: -1
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+