refactor: rearrange pnpm setup step for improved workflow clarity

Author: shyim

.github/workflows/test.yml

@@ -30,13 +30,15 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '24'
-
-      - name: Setup PNPM
-        uses: pnpm/action-setup@v4
+          node-version: "24"
+          registry-url: "https://npm.pkg.github.com"
+          cache: 'pnpm'
 
       - name: Install dependencies
         run: pnpm install