Bump eslint from 6.6.0 to 6.7.1

Bumps [eslint](https://github.com/eslint/eslint) from 6.6.0 to 6.7.1.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v6.6.0...v6.7.1)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@zeit/ncc": "^0.20.5",
-    "eslint": "^6.6.0",
+    "eslint": "^6.7.1",
     "jest": "^24.9.0"
   }
 }