Add dns::dnssec_keygen function #1024

Job	Run time
Puppet / Static validations	22s
Puppet / 8 (Ruby 3.2)	1m 29s
Puppet / 7 (Ruby 2.7)	2m 1s
Puppet / Puppet 8 - CentOS 7	1m 36s
Puppet / Puppet 7 - CentOS 7	1m 38s
Puppet / Puppet 8 - CentOS 9	1m 32s
Puppet / Puppet 7 - CentOS 9	1m 30s
Puppet / Distro Puppet - Fedora 37	2m 6s
Puppet / Distro Puppet - Fedora 38	1m 58s
Puppet / Puppet 8 - Debian 10	1m 41s
Puppet / Puppet 7 - Debian 10	1m 39s
Puppet / Puppet 8 - Debian 11	1m 41s
Puppet / Puppet 7 - Debian 11	1m 44s
Puppet / Puppet 8 - Debian 12	1m 41s
Puppet / Puppet 7 - Debian 12	1m 41s
Puppet / Puppet 8 - Ubuntu 18.04	2m 5s
Puppet / Puppet 7 - Ubuntu 18.04	1m 53s
Puppet / Puppet 8 - Ubuntu 20.04	2m 14s
Puppet / Puppet 7 - Ubuntu 20.04	2m 8s
Puppet / Puppet 8 - Ubuntu 22.04	1m 48s
Puppet / Puppet 7 - Ubuntu 22.04	1m 41s
Puppet / Distro Puppet - Archlinux rolling	1m 24s
Puppet / Test suite	1s
	37m 33s

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