fix(package): update react-dom to version 15.5.4 (#2285)

Closes #2250

https://greenkeeper.io/

package.json

@@ -202,7 +202,7 @@
     "react": "15.5.4",
     "react-addons-css-transition-group": "15.4.2",
     "react-cookie": "1.0.5",
-    "react-dom": "15.4.1",
+    "react-dom": "15.5.4",
     "react-helmet": "5.0.3",
     "react-nested-status": "0.1.2",
     "react-onclickoutside": "5.10.0",