[chore] Bump ws to version 1.1.2 (vulnerability fix) (#480)

Author: paulrobello

package.json

@@ -29,7 +29,7 @@
     "base64id": "1.0.0",
     "debug": "2.3.3",
     "engine.io-parser": "2.0.0",
-    "ws": "1.1.1",
+    "ws": "1.1.2",
     "cookie": "0.3.1"
   },
   "devDependencies": {