ci(studio): set pnpm version to 9

Author: huang-julien

.github/workflows/studio.yml

@@ -50,7 +50,7 @@ jobs:
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 9.11.0
+          version: 9.15.4
 
       - uses: actions/setup-node@v4
         with: