Bump ruby-enum from 0.7.2 to 0.8.0
Bump ruby-enum from 0.7.2 to 0.8.0

Bumps [ruby-enum](https://github.com/dblock/ruby-enum) from 0.7.2 to 0.8.0.
- [Release notes](https://github.com/dblock/ruby-enum/releases)
- [Changelog](https://github.com/dblock/ruby-enum/blob/master/CHANGELOG.md)
- [Commits](https://github.com/dblock/ruby-enum/compare/v0.7.2...v0.8.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
kenchan/tdnm,kenchan/tdnm,kenchan/tdnm,kenchan/tdnm