fix(package): update react-native-calendar-events to version 1.6.0

Author: greenkeeper[bot]

package.json

@@ -97,7 +97,7 @@
     "react-markdown": "2.5.1",
     "react-native": "0.55.4",
     "react-native-button": "2.3.0",
-    "react-native-calendar-events": "1.5.0",
+    "react-native-calendar-events": "1.6.0",
     "react-native-communications": "2.2.1",
     "react-native-custom-tabs": "0.1.7",
     "react-native-device-info": "0.21.5",