feat: allow manual triggering

Author: dessant

README.md

@@ -101,11 +101,15 @@ name: 'Lock Threads'
 on:
   schedule:
     - cron: '0 * * * *'
+  workflow_dispatch:
 
 permissions:
   issues: write
   pull-requests: write
 
+concurrency:
+  group: lock
+
 jobs:
   action:
     runs-on: ubuntu-latest
@@ -136,11 +140,15 @@ name: 'Lock Threads'
 on:
   schedule:
     - cron: '0 0 * * *'
+  workflow_dispatch:
 
 permissions:
   issues: write
   pull-requests: write
 
+concurrency:
+  group: lock
+
 jobs:
   action:
     runs-on: ubuntu-latest