ci: replace lock app with lock-threads workflow

.github/workflows/lock-threads.yml

@@ -0,0 +1,39 @@
+name: 'Lock Threads'
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+  discussions: write
+
+concurrency:
+  group: lock-threads
+
+jobs:
+  action:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v5
+        with:
+            issue-inactive-days: '21'
+            issue-comment: >
+              This issue has been automatically locked since there
+              has not been any recent activity after it was closed.
+              Please open a new issue for related bugs.
+            issue-lock-reason: 'resolved'
+            pr-inactive-days: '21'
+            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 issue for related bugs.
+            pr-lock-reason: 'resolved'
+            discussion-inactive-days: '21'
+            discussion-comment:  >
+              This discussion has been automatically locked since there
+              has not been any recent activity after it was closed.
+            process-only: 'issues, prs, discussions'
+            log-output: false