chore(package): update coveralls to version 3.0.12

Closes #53

Author: greenkeeper[bot]

package.json

@@ -28,7 +28,7 @@
     "babel-eslint": "7.2.3",
     "babel-jest": "20.0.3",
     "babel-preset-react-native": "2.1.0",
-    "coveralls": "3.0.0",
+    "coveralls": "3.0.12",
     "eslint": "4.5.0",
     "eslint-config-airbnb": "15.1.0",
     "eslint-plugin-flowtype": "2.35.0",