chore(deps): update dependency webpack to ^4.34.0

Author: renovate-bot

package-lock.json

@@ -105,7 +105,7 @@
     "supertest": "^4.0.2",
     "tcp-port-used": "^1.0.1",
     "url-loader": "^1.1.2",
-    "webpack": "^4.33.0",
+    "webpack": "^4.34.0",
     "webpack-cli": "^3.3.4",
     "ws": "^6.2.1"
   },