Bump guard from 2.15.1 to 2.16.0
Bump guard from 2.15.1 to 2.16.0

Bumps [guard](https://github.com/guard/guard) from 2.15.1 to 2.16.0.
- [Release notes](https://github.com/guard/guard/releases)
- [Commits](https://github.com/guard/guard/compare/v2.15.1...v2.16.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
24pullrequests/contribulator,jasnow/contribulator,andrew/contribulator,andrew/contribulator,24pullrequests/contribulator,jasnow/contribulator,jasnow/contribulator,24pullrequests/contribulator,andrew/contribulator