Bump eslint-config-prettier from 4.3.0 to 6.2.0 (#300)

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 4.3.0 to 6.2.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md)
- [Commits](prettier/eslint-config-prettier@v4.3.0...v6.2.0)

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

package.json

@@ -33,7 +33,7 @@
     "enzyme-adapter-react-16": "^1.3.0",
     "eslint": "^4.3.0",
     "eslint-config-airbnb": "^15.1.0",
-    "eslint-config-prettier": "^4.3.0",
+    "eslint-config-prettier": "^6.2.0",
     "eslint-plugin-import": "^2.17.2",
     "eslint-plugin-jsx-a11y": "^5.1.1",
     "eslint-plugin-react": "^7.13.0",