Fix GitHub Actions

Author: t-hamano

.github/workflows/run-test-and-deploy.yml

@@ -59,8 +59,11 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@main
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14.x
 
-      - name: Build
+      - name: Npm install and build
         run: |
           npm ci
           npm run build