check_hwgroup

What's Changed

• fix longargs to match constructor arguments by @UiP9AV6Y in https://github.com/NETWAYS/check_hwgroup/pull/2
• ensure sensor, input, and output arguments are numeric. by @UiP9AV6Y in https://github.com/NETWAYS/check_hwgroup/pull/5
• Refactor _probe function by @martialblog in https://github.com/NETWAYS/check_hwgroup/pull/9
• Remove old Perl code by @martialblog in https://github.com/NETWAYS/check_hwgroup/pull/11
• Add some basic tests by @martialblog in https://github.com/NETWAYS/check_hwgroup/pull/3

Special thanks to @UiP9AV6Y for feedback and testing.

Full Changelog: https://github.com/NETWAYS/check_hwgroup/compare/v1.1...v1.2.0