add missing pnpm

Author: yceffort-naver

.github/workflows/static.yml

@@ -31,12 +31,11 @@ jobs:
         steps:
             - name: Checkout
               uses: actions/checkout@v4
-            - name: init
-              uses: actions/setup-node@v4
+            - uses: pnpm/action-setup@v4
+            - uses: actions/setup-node@v4
               with:
                   node-version: '20'
                   cache: 'pnpm'
-
             - name: Install dependencies
               run: pnpm install --frozen-lockfile
             - name: Build