Update chefstyle requirement from 2.0.9 to 2.1.0
Update chefstyle requirement from 2.0.9 to 2.1.0

Updates the requirements on [chefstyle](https://github.com/chef/chefstyle) to permit the latest version.
- [Release notes](https://github.com/chef/chefstyle/releases)
- [Changelog](https://github.com/chef/chefstyle/blob/main/CHANGELOG.md)
- [Commits](https://github.com/chef/chefstyle/compare/v2.0.9...v2.1.0)

---
updated-dependencies:
- dependency-name: chefstyle
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
chef/knife-openstack,chef/knife-openstack