fix: update pnpm version in CI workflow to ensure compatibility

.github/workflows/ci.yml

@@ -20,17 +20,17 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v4
 
-      - name: Set up pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          version: 9
-
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
           node-version: 22
           cache: pnpm
 
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: "11"
+
       - name: Install dependencies
         run: pnpm install --frozen-lockfile