chore(deps): update dependency webpack to ^4.38.0 (master) (#2152)

Author: renovate[bot]

package-lock.json

@@ -108,7 +108,7 @@
     "supertest": "^4.0.2",
     "tcp-port-used": "^1.0.1",
     "url-loader": "^1.1.2",
-    "webpack": "^4.37.0",
+    "webpack": "^4.38.0",
     "webpack-cli": "^3.3.6"
   },
   "peerDependencies": {