fix(package): update ws to version 3.2.0 (#803)

package.json

@@ -118,7 +118,7 @@
     "retry-promise": "1.0.0",
     "selenium-webdriver": "3.5.0",
     "state-switch": "0.1.13",
-    "ws": "3.1.0",
+    "ws": "3.2.0",
     "xml2js": "^0.4.19"
   },
   "devDependencies": {