chore: add setup node step to pr workflow

.github/workflows/pr.yml

@@ -13,6 +13,12 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
+      - name: Set up Node
+        uses: actions/setup-node@v3
+        with:
+          registry-url: 'https://registry.npmjs.org'
+          node-version-file: '.nvmrc'
+          cache: 'yarn'
       - name: Install dependencies
         run: yarn install --immutable
       - name: Build