Update ws to the latest version 🚀 (#5369)

* fix(package): update ws to version 6.1.4

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "uuid": "^3.1.0",
     "winston": "2.4.4",
     "winston-daily-rotate-file": "1.7.2",
-    "ws": "6.1.3"
+    "ws": "6.1.4"
   },
   "devDependencies": {
     "@babel/cli": "7.2.3",