add timeout update

Author: youssefea

.github/workflows/auto-llms-txt.yml

@@ -48,6 +48,8 @@ jobs:
         run: |
           cursor-agent -p "You are operating in a GitHub Actions runner to automatically update llms.txt and llms-full.txt files.
 
+          YOU SHOULD TIMEOUT AFTER 2 MINUTES AND THEN EXIT.
+
           The GitHub CLI is available as \`gh\` and authenticated via \`GH_TOKEN\`. Git is available. You have write access to repository contents and can comment on pull requests, but you must not create or edit PRs directly.
 
           # Context: