chore(package): update mobx-react to version 5.2.2

Closes #289

Author: greenkeeper[bot]

package.json

@@ -97,7 +97,7 @@
     "husky": "^0.15.0-rc.8",
     "lodash.uniqueid": "^4.0.1",
     "mobx": "^3.5.1",
-    "mobx-react": "^4.4.2",
+    "mobx-react": "^5.2.2",
     "nodemon": "^1.15.1",
     "npm-run-all": "^4.1.2",
     "pkg-ok": "^2.1.0",