fix: webpack noise printed only if error or warning (facebook#12245)

Author: apburnie

packages/react-scripts/config/webpack.config.js

@@ -305,6 +305,8 @@ module.exports = function (webpackEnv) {
 
   const rawConfig = {
     target: ['browserslist'],
+    // Webpack noise constrained to errors and warnings
+    stats: 'errors-warnings',
     mode: isEnvProduction ? 'production' : isEnvDevelopment && 'development',
     // Stop compilation early in production
     bail: isEnvProduction,