Allow puppet/systemd 5.x and 6.x
5.x dropped Puppet 6 support, which we don't support anyway6.x dropped Ubuntu 18.04 support, which we should drop soon
Allow puppet/systemd 5.x and 6.x
5.x dropped Puppet 6 support, which we don't support anyway
6.x dropped Ubuntu 18.04 support, which we should drop soon