chore: update GitHub Actions workflow for client generation

- Changed the GitHub token used in the workflow from GITHUB_TOKEN to BOT_GITHUB_TOKEN for improved access control.
- Removed outdated comments regarding the use of a personal access token (PAT) for triggering workflows.

Author: cubxxw

.github/workflows/generate-client.yml

@@ -100,9 +100,7 @@ jobs:
           fi
         env:
           # GITHUB_TOKEN has write permissions for same-repo events by default
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          # Use a PAT if you need to trigger subsequent workflows:
-          # GITHUB_TOKEN: ${{ secrets.YOUR_PAT_WITH_WRITE_ACCESS }}
+          GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}
 
       # 8. Handle Changes for Fork PRs (Warn, Don't Fail)
       - name: Check for Uncommitted Changes (Fork PRs)