chore(package): update coveralls to version 3.0.11

Closes #34

Author: greenkeeper[bot]

package.json

@@ -42,7 +42,7 @@
     "babel-eslint": "^7.0.0",
     "babel-preset-es2015": "^6.6.0",
     "code": "^4.0.0",
-    "coveralls": "^2.11.9",
+    "coveralls": "^3.0.11",
     "eslint": "^3.1.0",
     "eslint-watch": "^2.1.10",
     "lab": "^11.0.0",