Bumps [superagent](https://github.com/visionmedia/superagent) from 3.5.2 to 3.7.0. - [Release notes](https://github.com/visionmedia/superagent/releases) - [Changelog](https://github.com/visionmedia/superagent/blob/master/HISTORY.md) - [Commits](https://github.com/visionmedia/superagent/commits/v3.7.0) Deduplicate yarn.lock