Merge pull request nestjs#2892 from nestjs/renovate/webpack-cli-3.x

chore(deps): update dependency webpack-cli to v3.3.8

Author: kamilmysliwiec

sample/08-webpack/package-lock.json

@@ -22,7 +22,7 @@
     "ts-node": "8.3.0",
     "tslint": "5.19.0",
     "webpack": "4.39.3",
-    "webpack-cli": "3.3.7",
+    "webpack-cli": "3.3.8",
     "webpack-node-externals": "1.7.2"
   }
 }