🔧 chore(ci): enable cancel-in-progress for update-thirdparty workflow

Change `cancel-in-progress` from false to true to prevent concurrent runs
when multiple triggers (push, schedule, manual) occur simultaneously.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/update-thirdparty-skills.yml

@@ -10,7 +10,7 @@ on:
 
 concurrency:
   group: update-thirdparty-${{ github.repository }}
-  cancel-in-progress: false
+  cancel-in-progress: true
 
 env:
   WORKSPACE_DIR: "/home/workspace"