Sync auto-close-issues.yml from .github repo

Author: P4X-ng

.github/workflows/auto-close-issues.yml

@@ -4,7 +4,7 @@ on:
     - cron: '0 0 * * 0'
 jobs:
   close_stale:
-    runs-on: [self-hosted, linux, x64, big]
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/stale@main
         with: