chore(deps): update dependency bundle-stats to v4

Author: renovate[bot]

package.json

@@ -80,7 +80,7 @@
     "babel-loader": "8.2.5",
     "babel-plugin-lodash": "3.3.4",
     "babel-plugin-preact-require": "1.0.0",
-    "bundle-stats": "3.3.10",
+    "bundle-stats": "4.13.3",
     "copy-webpack-plugin": "11.0.0",
     "coveralls": "3.1.1",
     "cross-env": "7.0.2",