chore(package): update coveralls to version 3.0.0

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
     "chai": "^4.0.0",
     "commitizen": "2.9.6",
     "conventional-changelog-core": "^1.5.0",
-    "coveralls": "^2.11.15",
+    "coveralls": "^3.0.0",
     "ghooks": "1.3.2",
     "git-dummy-commit": "^1.3.0",
     "greenkeeper-postpublish": "1.1.0",