chore: bump npm dependencies

frontend/webpack/webpack.config.prod.cjs

@@ -0,0 +1,45 @@
+const Webpack = require("webpack");
+const { merge } = require("webpack-merge");
+const MiniCssExtractPlugin = require("mini-css-extract-plugin");
+const TerserPlugin = require("terser-webpack-plugin");
+const common = require("./webpack.common.cjs");
+
+module.exports = merge(common, {
+  mode: "production",
+  bail: true,
+  output: {
+    filename: "js/[name].[chunkhash:8].js",
+    chunkFilename: "js/[name].[chunkhash:8].chunk.js",
+  },
+  plugins: [
+    new Webpack.DefinePlugin({
+      "process.env.NODE_ENV": JSON.stringify("production"),
+    }),
+    new MiniCssExtractPlugin({
+      filename: "css/[name].[contenthash].css",
+      chunkFilename: "css/[id].[contenthash].css",
+    }),
+  ],
+  optimization: {
+    minimize: true,
+    minimizer: [new TerserPlugin()],
+  },
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        use: "babel-loader",
+      },
+      {
+        test: /\.s?css/i,
+        use: [
+          MiniCssExtractPlugin.loader,
+          "css-loader",
+          "postcss-loader",
+          "sass-loader",
+        ],
+      },
+    ],
+}
+});