chore(deps): update dependency coveralls to v3

Author: renovate-bot

package.json

@@ -53,7 +53,7 @@
     "babel-register": "6.26.0",
     "codeclimate-test-reporter": "0.5.0",
     "codecov": "2.3.0",
-    "coveralls": "2.13.1",
+    "coveralls": "3.0.2",
     "del": "3.0.0",
     "jest": "20.0.4",
     "rollup": "0.48.2",