fix(package): update govuk-react to version 0.2.1 (#21)

Author: greenkeeper[bot]

package.json

@@ -7,7 +7,7 @@
     "final-form": "^4.2.0",
     "glamor": "^2.20.40",
     "govuk-colours": "^1.0.3",
-    "govuk-react": "0.2.0",
+    "govuk-react": "0.2.1",
     "normalize.css": "^8.0.0",
     "react": "^16.2.0",
     "react-dom": "^16.2.0",