Update build.yml Add run in Node version 16

- name: Set up Node.js
        uses: actions/setup-node@v2
        with:
          node-version: 16

.github/workflows/build.yml

@@ -8,6 +8,11 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 16
+
       - uses: actions/checkout@v3
 
       - name: Validate composer.json and composer.lock