ci: add stale action for issues

* ci: add stale action for issues

* ci: add stale action for issues

* ci: rephrase messages

* ci: set issue stale after 60 days

* ci: stale action debug mode

.github/workflows/stale.yml

@@ -0,0 +1,29 @@
+name: 'Stale issues and PRs'
+on:
+  schedule:
+    - cron: '30 1 * * *'
+
+permissions:
+  issues: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v5
+        with:
+          debug-only: true
+          stale-issue-label: 🏚️ abandoned
+          stale-issue-message: >
+            This issue has been automatically marked as `🏚️ abandoned`
+            because it has not had recent activity. It will be closed if no
+            further activity occurs.
+          close-issue-message: >
+            Closing stale issue. If this issue is still relevant, please reopen it.
+          days-before-issue-stale: 60
+          days-before-close: 30
+          days-before-pr-stale: -1
+          operations-per-run: 700
+          exempt-issue-labels: "🐛 bug,☀️ enhancement,📚 documentation,➕ feature,🐌 performance,
+            ➕ test,📝 task,:ant: worker threads,👩🏾‍💻 developer experience"
+          exempt-all-assignees: true