chore(package): update coveralls to version 3.0.0

Author: greenkeeper[bot]

package.json

@@ -62,7 +62,7 @@
     "babel-runtime": "^6.23.0",
     "chai": "^3.5.0",
     "copy": "^0.3.0",
-    "coveralls": "^2.13.0",
+    "coveralls": "^3.0.0",
     "eslint": "^4.1.0",
     "eslint-plugin-flowtype": "^2.30.4",
     "eslint-watch": "^3.1.0",