fix(package): update redbox-react to version 1.4.3

Closes #29

Author: greenkeeper[bot]

package.json

@@ -51,7 +51,7 @@
     "react-dom": "^15.3.2",
     "react-transform-catch-errors": "1.0.2",
     "react-transform-hmr": "1.0.4",
-    "redbox-react": "1.3.2",
+    "redbox-react": "1.4.3",
     "sanitize.css": "4.1.0",
     "style-loader": "0.13.1",
     "webpack": "1.13.3",