update dependencies & bump minimum node version (#1329)

- bump all dependences
- add github-actions reporter to jest
- convert (most) webpack configs to ESM
  - manifest.cjs cannot be converted since there is no native .json import until node 17

webpack/webpack.dev.js

@@ -1,8 +1,7 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
-const merge = require('webpack-merge');
-const common = require('./webpack.common.js');
+import { merge } from "webpack-merge";
+import common from './webpack.common.js';
 
-module.exports = env => merge(common(env), {
+export default env => merge(common(env), {
     devtool: 'inline-source-map',
     mode: 'development'
 });