puppet/systemd: allow 8.x #129

Job	Run time
Puppet / Static validations	31s
Puppet / 8 (Ruby 3.2)	21s
Puppet / 7 (Ruby 2.7)	50s
Puppet / Puppet 8 - Debian 11	1m 24s
Puppet / Puppet 7 - Debian 11	1m 23s
Puppet / Puppet 8 - Debian 12	1m 22s
Puppet / Puppet 7 - Debian 12	1m 18s
Puppet / Puppet 8 - Ubuntu 20.04	1m 38s
Puppet / Puppet 7 - Ubuntu 20.04	1m 42s
Puppet / Puppet 8 - Ubuntu 22.04	1m 37s
Puppet / Puppet 7 - Ubuntu 22.04	1m 26s
Puppet / Puppet 8 - CentOS 9	1m 21s
Puppet / Puppet 7 - CentOS 9	1m 12s
Puppet / Puppet 8 - AlmaLinux 8	1m 8s
Puppet / Puppet 7 - AlmaLinux 8	1m 26s
Puppet / Puppet 8 - AlmaLinux 9	1m 7s
Puppet / Puppet 7 - AlmaLinux 9	1m 19s
Puppet / Puppet 8 - Rocky 8	1m 10s
Puppet / Puppet 7 - Rocky 8	1m 14s
Puppet / Puppet 8 - Rocky 9	1m 32s
Puppet / Puppet 7 - Rocky 9	1m 31s
Puppet / Puppet 8 - OracleLinux 8	1m 45s
Puppet / Puppet 7 - OracleLinux 8	1m 41s
Puppet / Puppet 8 - OracleLinux 9	1m 20s
Puppet / Puppet 7 - OracleLinux 9	1m 23s
Puppet / Distro Puppet - Archlinux rolling	1m 35s
Puppet / Test suite	4s
	34m 20s

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