misc: switched to stale action

.github/workflows/stale-check.yml

@@ -0,0 +1,24 @@
+name: Stale Check
+
+on:
+  issue_comment:
+  schedule:
+    - cron: 0 2 * * *
+
+jobs:
+  check:
+    runs-on: ubuntu-20.04
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - name: Process Stale Issues
+        uses: actions/stale@v4.0.0
+        with:
+          stale-issue-message: >
+            This issue is stale because it has been open 30 days with no activity. 
+            Please add a comment describing the reason to keep this issue open.
+          days-before-stale: 30
+          days-before-close: 5
+          exempt-issue-labels: 'enhancement,keep'
+