build(deps-dev): bump eslint from 3.19.0 to 6.6.0

Bumps [eslint](https://github.com/eslint/eslint) from 3.19.0 to 6.6.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v3.19.0...v6.6.0)

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

package.json

@@ -36,7 +36,7 @@
     "cz-conventional-changelog": "^1.2.0",
     "enzyme": "^3.1.0",
     "enzyme-adapter-react-16": "^1.0.2",
-    "eslint": "^3.19.0",
+    "eslint": "^6.6.0",
     "eslint-plugin-react": "^7.0.1",
     "inquirer": "^3.0.5",
     "jest": "21.2.1",