fix(package): update serialize-javascript to version 2.1.1

Closes #580

Author: greenkeeper[bot]

package.json

@@ -104,7 +104,7 @@
     "redux-logger": "^3.0.6",
     "redux-persist": "^5.3.4",
     "regenerator-runtime": "^0.13.2",
-    "serialize-javascript": "^1.3.0",
+    "serialize-javascript": "^2.1.1",
     "serve-favicon": "^2.3.2",
     "socket.io-client": "^2.0.1"
   },