Merge pull request nestjs#1990 from nestjs/renovate/webpack-4.x

chore(deps): update dependency webpack to v4.30.0

Author: kamilmysliwiec

sample/08-webpack/package-lock.json

@@ -20,7 +20,7 @@
     "ts-loader": "5.3.3",
     "ts-node": "8.1.0",
     "tslint": "5.15.0",
-    "webpack": "4.29.6",
+    "webpack": "4.30.0",
     "webpack-cli": "3.3.0",
     "webpack-node-externals": "1.7.2"
   }