fix(package): update react to version 16.9.0

Closes #5

Author: greenkeeper[bot]

package.json

@@ -24,7 +24,7 @@
     "@expo/vector-icons": "^8.0.0",
     "expo": "^31.0.2",
     "jest": "^23.6.0",
-    "react": "16.5.0",
+    "react": "16.9.0",
     "react-native": "https://github.com/expo/react-native/archive/sdk-31.0.0.tar.gz",
     "react-navigation": "^3.0.4",
     "react-redux": "^5.1.1",