Drop EoL Ubuntu 18.04 support #204

Job	Run time
Puppet / Static validations	23s
Puppet / Distro Puppet - Archlinux rolling	4m 49s
Puppet / 8 (Ruby 3.2)	2m 39s
Puppet / Puppet 8 - CentOS 9	2m 2s
Puppet / 7 (Ruby 2.7)	2m 48s
Puppet / Puppet 7 - CentOS 9	2m 11s
Puppet / Puppet 8 - Debian 11	2m 36s
Puppet / Puppet 7 - Debian 11	2m 39s
Puppet / Puppet 8 - Debian 12	2m 41s
Puppet / Puppet 7 - Debian 12	2m 34s
Puppet / Puppet 8 - OracleLinux 8	2m 29s
Puppet / Puppet 7 - OracleLinux 8	2m 32s
Puppet / Puppet 8 - OracleLinux 9	2m 5s
Puppet / Puppet 7 - OracleLinux 9	2m 2s
Puppet / Puppet 8 - AlmaLinux 8	1m 54s
Puppet / Puppet 7 - AlmaLinux 8	2m 0s
Puppet / Puppet 8 - AlmaLinux 9	1m 46s
Puppet / Puppet 7 - AlmaLinux 9	1m 54s
Puppet / Puppet 8 - Rocky 8	2m 5s
Puppet / Puppet 7 - Rocky 8	1m 58s
Puppet / Puppet 8 - Rocky 9	1m 59s
Puppet / Puppet 7 - Rocky 9	1m 56s
Puppet / Puppet 8 - Ubuntu 20.04	3m 23s
Puppet / Puppet 7 - Ubuntu 20.04	3m 19s
Puppet / Puppet 8 - Ubuntu 22.04	3m 10s
Puppet / Puppet 7 - Ubuntu 22.04	3m 13s
Puppet / Test suite	3s
	1h 3m 10s

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