chore(package): update webpack to version 4.37.0

Author: greenkeeper[bot]

package.json

@@ -76,7 +76,7 @@
     "ts-node": "8.0.3",
     "tslint": "5.14.0",
     "typescript": "3.3.3333",
-    "webpack": "^4.29.6",
+    "webpack": "^4.37.0",
     "webpack-cli": "3.3.0",
     "yargs": "13.2.2"
   },