chore: update workflow

Author: dessant

.github/workflows/lock.yml renamed to .github/workflows/lock-threads.yml

@@ -8,12 +8,13 @@ on:
 permissions:
   issues: write
   pull-requests: write
+  discussions: write
 
 concurrency:
-  group: lock
+  group: lock-threads
 
 jobs:
   action:
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v4
+      - uses: dessant/lock-threads@v5