Use stale action & merge with lock action

.github/workflows/repo-maintenance.yml

@@ -0,0 +1,47 @@
+name: 'Repository Maintenance'
+
+on:
+  schedule:
+    - cron: '0 3 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+
+concurrency:
+  group: lock
+
+jobs:
+  stale:
+    name: 'Stale'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v8
+        with:
+          days-before-stale: 30
+          days-before-close: 7
+          only-labels: 'cant-reproduce'
+          stale-issue-label: stale
+          stale-pr-label: stale
+          stale-issue-message: >
+            This issue has been automatically marked as stale because it has not had
+            recent activity. It will be closed if no further activity occurs. Thank you
+            for your contributions.
+  lock-threads:
+    name: 'Lock Old Threads'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v4
+        with:
+          issue-inactive-days: '30'
+          pr-inactive-days: '30'
+          log-output: true
+          issue-comment: >
+            This issue has been automatically locked since there
+            has not been any recent activity after it was closed.
+            Please open a new discussion or issue for related concerns.
+          pr-comment: >
+            This pull request has been automatically locked since there
+            has not been any recent activity after it was closed.
+            Please open a new discussion or issue for related concerns.