fix(Segmentation): bump packages to fix segmentation rendering (#3138)

* add test mode

* bump packages

* add reference lines

* update yarn lock

* fix netlify build

* fix num workers

* update year in doc

modes/basic-test-mode/.webpack/webpack.dev.js

@@ -0,0 +1,8 @@
+const path = require('path');
+const webpackCommon = require('./../../../.webpack/webpack.base.js');
+const SRC_DIR = path.join(__dirname, '../src');
+const DIST_DIR = path.join(__dirname, '../dist');
+
+module.exports = (env, argv) => {
+  return webpackCommon(env, argv, { SRC_DIR, DIST_DIR });
+};