chore(package): update coveralls to version 3.0.3

Closes #3

Author: greenkeeper[bot]

package.json

@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@gnodi/eslint-config": "^0.2.0",
-    "coveralls": "^2.11.15",
+    "coveralls": "^3.0.3",
     "istanbul": "^0.4.0",
     "jasmine": "^2.5.2"
   },