build(deps-dev): bump webpack from 4.44.2 to 5.2.0 (#4434)

Bumps [webpack](https://github.com/webpack/webpack) from 4.44.2 to 5.2.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.44.2...v5.2.0)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Florian Imdahl <florian@wire.com>

package.json

@@ -106,7 +106,7 @@
     "style-loader": "2.0.0",
     "ts-node": "9.0.0",
     "typescript": "4.0.3",
-    "webpack": "4.44.2",
+    "webpack": "5.2.0",
     "webpack-cli": "4.1.0"
   },
   "homepage": "https://wire.com",

webpack.config.js

@@ -1,8 +1,12 @@
+// @ts-check
+/* eslint-disable valid-jsdoc */
+
 const path = require('path');
 const webpack = require('webpack');
 
+/** @type {(env: {production?: true}) => import('webpack').Configuration} */
 module.exports = (env = {}) => ({
-  devtool: env.production ? undefined : 'cheap-eval-source-map',
+  devtool: env.production ? undefined : 'eval-cheap-source-map',
   entry: path.resolve(__dirname, 'electron/renderer/src/index.jsx'),
   externals: {
     'fs-extra': '{}',