chore(package): update coveralls to version 3.0.6

Closes #96

Author: greenkeeper[bot]

package.json

@@ -62,7 +62,7 @@
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-0": "6.24.1",
     "chai": "4.1.0",
-    "coveralls": "2.13.1",
+    "coveralls": "3.0.6",
     "documentation": "4.0.0-rc.1",
     "eslint": "3.12.2",
     "eslint-friendly-formatter": "2.0.6",