Bump toml from 0.5.7 to 0.5.8
Bump toml from 0.5.7 to 0.5.8

Bumps [toml](https://github.com/alexcrichton/toml-rs) from 0.5.7 to 0.5.8.
- [Release notes](https://github.com/alexcrichton/toml-rs/releases)
- [Commits](https://github.com/alexcrichton/toml-rs/compare/0.5.7...0.5.8)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
yasuyuky/ghteam-auth,yasuyuky/ghteam-auth