Bump structopt from 0.2.16 to 0.2.17
Bump structopt from 0.2.16 to 0.2.17

Bumps [structopt](https://github.com/TeXitoi/structopt) from 0.2.16 to 0.2.17.
- [Release notes](https://github.com/TeXitoi/structopt/releases)
- [Changelog](https://github.com/TeXitoi/structopt/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TeXitoi/structopt/compare/v0.2.16...v0.2.17)
yasuyuky/ghteam-auth,yasuyuky/ghteam-auth