Merge pull request #2694 from nestjs/renovate/webpack-4.x

chore(deps): update dependency webpack to v4.39.1

Author: BrunnerLivio

sample/08-webpack/package-lock.json

@@ -21,7 +21,7 @@
     "ts-loader": "6.0.4",
     "ts-node": "8.3.0",
     "tslint": "5.18.0",
-    "webpack": "4.38.0",
+    "webpack": "4.39.1",
     "webpack-cli": "3.3.6",
     "webpack-node-externals": "1.7.2"
   }