ci: use correct node version

.github/workflows/ci.yml

@@ -17,11 +17,18 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+
       - name: Install pnpm
         uses: pnpm/action-setup@v4
         with:
           version: ${{ env.PNPM_VERSION }}
 
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: 'pnpm'
+
       - name: Install dependencies
         run: pnpm install