Bump eslint from 4.10.0 to 4.18.2

Bumps [eslint](https://github.com/eslint/eslint) from 4.10.0 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@v4.10.0...v4.18.2)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -18,7 +18,7 @@
     "dotenv-expand": "4.2.0",
     "enzyme": "^3.11.0",
     "enzyme-adapter-react-16": "^1.15.2",
-    "eslint": "^4.10.0",
+    "eslint": "^4.18.2",
     "eslint-config-react-app": "^2.1.0",
     "eslint-loader": "1.9.0",
     "eslint-plugin-flowtype": "2.39.1",