Use cache-busting webpack chunk names in development

Author: williamjallen

webpack.mix.js

@@ -112,6 +112,9 @@ mix.webpackConfig({
   stats: {
     children: true,
   },
+  output: {
+    chunkFilename: '[contenthash].js',
+  },
   optimization: {
     runtimeChunk: false,
   },