Bump eslint from 6.7.2 to 6.8.0

Bumps [eslint](https://github.com/eslint/eslint) from 6.7.2 to 6.8.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v6.7.2...v6.8.0)

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

package.json

@@ -22,7 +22,7 @@
     "@babel/preset-env": "7.8.4",
     "@zeit/ncc": "0.20.5",
     "babel-eslint": "10.0.3",
-    "eslint": "6.7.2",
+    "eslint": "6.8.0",
     "eslint-config-airbnb": "18.0.1",
     "eslint-config-prettier": "6.10.0",
     "eslint-plugin-flowtype": "4.5.2",