refactor: rearrange pnpm setup step in publish workflow for clarity

Author: shyim

.github/workflows/publish.yml

@@ -13,6 +13,9 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+      
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -21,9 +24,6 @@ jobs:
           registry-url: "https://npm.pkg.github.com"
           cache: 'pnpm'
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@v4
-
       - name: Install dependencies
         run: pnpm install