chore(deps-dev): update coveralls requirement from 3.0.5 to 3.0.6

Updates the requirements on [coveralls](https://github.com/nickmerwin/node-coveralls) to permit the latest version.
- [Release notes](https://github.com/nickmerwin/node-coveralls/releases)
- [Commits](https://github.com/nickmerwin/node-coveralls/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -68,7 +68,7 @@
     "@commitlint/travis-cli": "8.1.0",
     "body-parser": "1.19.0",
     "coffeescript": "2.4.1",
-    "coveralls": "3.0.5",
+    "coveralls": "3.0.6",
     "cucumber": "5.1.0",
     "eslint": "5.16.0",
     "eslint-config-airbnb-base": "13.2.0",