chore(package): update codecov to version 3.3.0

Closes #461

Author: greenkeeper[bot]

package.json

@@ -70,7 +70,7 @@
     "@types/react-native": "0.56.23",
     "@types/react-redux": "6.0.9",
     "babel-jest": "^23.6.0",
-    "codecov": "3.1.0",
+    "codecov": "3.3.0",
     "conventional-changelog-cli": "^2.0.5",
     "detox": "9.0.1",
     "enzyme": "3.6.0",