chore(package): update coveralls to version 3.0.13

Closes #33

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "compression": "1.6.2",
     "condition-circle": "1.5.0",
     "cors": "2.8.3",
-    "coveralls": "2.13.1",
+    "coveralls": "3.0.13",
     "dirty-chai": "2.0.0",
     "eslint": "2.13.1",
     "eslint-config-fullcube": "latest",