Update dependency webpack to v4

Author: renovate-bot

modulos-exemplos/package.json

@@ -15,7 +15,7 @@
     "babel-loader": "8.0.6",
     "babel-preset-es2015-native-modules": "6.9.4",
     "ramda": "0.26.1",
-    "webpack": "2.7.0",
+    "webpack": "4.36.1",
     "webpack-dev-server": "3.1.11"
   },
   "dependencies": {