fix(package): update react-navigation-material-bottom-tabs to version 0.4.0

Author: greenkeeper[bot]

package.json

@@ -138,7 +138,7 @@
     "react-native-typography": "1.3.0",
     "react-native-vector-icons": "4.6.0",
     "react-navigation": "2.13.0",
-    "react-navigation-material-bottom-tabs": "0.3.0",
+    "react-navigation-material-bottom-tabs": "0.4.0",
     "react-redux": "5.0.7",
     "redux": "3.7.2",
     "redux-logger": "3.0.6",