improve test and docker runner

.github/workflows/test.yml

@@ -13,15 +13,17 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 8
+          run_install: false
+
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           node-version: 22
           cache: 'pnpm'
 
-      - name: Install pnpm
-        run: npm install -g pnpm
-
       - name: Install dependencies
         run: pnpm install