Update sensu-plugin requirement from ~> 1.2 to >= 1.2, < 5.0
Update sensu-plugin requirement from ~> 1.2 to >= 1.2, < 5.0

Updates the requirements on [sensu-plugin](https://github.com/sensu-plugins/sensu-plugin) to permit the latest version.
- [Release notes](https://github.com/sensu-plugins/sensu-plugin/releases)
- [Changelog](https://github.com/sensu-plugins/sensu-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sensu-plugins/sensu-plugin/compare/v1.2.0...3.0.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
sensu-plugins/sensu-plugins-cgroups,sensu-plugins/sensu-plugins-cgroups