ci: use .nvmrc for node-setup node-version in github actions (#10619)

* chore: add node version pinning with .nvmrc and volta for the typescript sdk

* ci: add missing setup-node actions and use .nvmrc for setup-node node-version

.github/workflows/docs-build.yml

@@ -26,6 +26,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: './docs/.nvmrc'
+
       - name: Run npm install
         run: npm ci