fix(package): update react-native-code-push to version 5.5.3

Closes #452

Author: greenkeeper[bot]

package.json

@@ -38,7 +38,7 @@
     "react": "16.5.1",
     "react-native": "0.57.1",
     "react-native-actionsheet": "2.4.2",
-    "react-native-code-push": "5.4.2",
+    "react-native-code-push": "5.5.3",
     "react-native-device-info": "0.22.5",
     "react-native-keyboard-aware-scroll-view": "0.7.2",
     "react-native-navbar": "2.1.0",