Update docs workflow

.github/workflows/docs.yml

@@ -10,13 +10,15 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
         with:
           version: latest
-      - run: cd docs/
       - name: Install dependencies
-        run: pnpm install
+        run: cd docs && pnpm install
       - name: Build
         run: pnpm build
       - name: Publish