Bump mail from 2.7.0 to 2.7.1
Bump mail from 2.7.0 to 2.7.1

Bumps [mail](https://github.com/mikel/mail) from 2.7.0 to 2.7.1.
- [Release notes](https://github.com/mikel/mail/releases)
- [Changelog](https://github.com/mikel/mail/blob/master/CHANGELOG.rdoc)
- [Commits](https://github.com/mikel/mail/compare/2.7.0...2.7.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
coreyja/package-tracker,coreyja/package-tracker,coreyja/package-tracker