Update to use Node 18 like on staging

Author: makermelissa

.github/workflows/build.yaml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 18
           cache: 'npm'
       - run: npm ci
       - run: npm run build