Bump eslint from 4.4.1 to 4.18.2

Bumps [eslint](https://github.com/eslint/eslint) from 4.4.1 to 4.18.2.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v4.4.1...v4.18.2)

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

Author: dependabot[bot]

package-lock.json

@@ -7,7 +7,7 @@
     "appium-doctor": "^1.13.0",
     "babel-eslint": "7.2.3",
     "cucumber": "^6.0.5",
-    "eslint": "4.4.1",
+    "eslint": "4.18.2",
     "eslint-plugin-flowtype": "2.35.0",
     "eslint-plugin-import": "2.7.0",
     "eslint-plugin-jsx-a11y": "6.0.2",