ci: close inactive issues

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

@@ -0,0 +1,23 @@
+name: Close inactive issues
+
+on:
+  schedule:
+    - cron: '30 1 * * *'
+
+jobs:
+  close-issues:
+    if: github.repository == 'lxchapu/astro-gyoza'
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - uses: actions/stale@v9
+        with:
+          days-before-stale: 14
+          days-before-close: 7
+          days-before-pr-close: -1
+          stale-issue-label: 'stale'
+          stale-issue-message: 'This issue is stale because it has been open 14 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
+          stale-pr-message: 'This PR is stale because it has been open 14 days with no activity.'
+          close-issue-message: 'This issue was closed because it has been inactive for 7 days since being marked as stale.'