Bump eslint from 4.19.1 to 5.2.0

Bumps [eslint](https://github.com/eslint/eslint) from 4.19.1 to 5.2.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v4.19.1...v5.2.0)

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

Author: dependabot-support

package.json

@@ -113,7 +113,7 @@
     "cucumber": "^4.2.1",
     "concurrently": "~3.6.1",
     "cross-env": "^5.2.0",
-    "eslint": "~4.19.1",
+    "eslint": "~5.2.0",
     "istanbul": "1.1.0-alpha.1",
     "mocha": "~5.2.0",
     "node-fetch": "^2.2.0",