Add npm ci to build step

.github/workflows/standards-and-tests.yml

@@ -82,6 +82,7 @@ jobs:
           chmod +x wp-cli.phar
           mv wp-cli.phar /usr/local/bin/wp
           wp package install wp-cli/dist-archive-command
+          npm ci
           npm run build
           composer install --no-dev --optimize-autoloader
           cd ..