add GITHUB_TOKEN env to rolldown stats collection

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: Boshen

.github/workflows/update-rolldown-stats.yml

@@ -25,6 +25,8 @@ jobs:
 
       - name: Run rolldown stats collection
         run: pnpm run generate
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
 
       - name: Check for changes
         id: git-check