Enable CRB for RH9

[pablodav]

Notes:

- name: Enable CodeReadyBuilder repository
--
  |   |   |   | command: dnf config-manager --set-enabled "crb"
  |   |   |   | changed_when: false
  |   |   |   | when:
  |   |   |   | - openstack_hosts_power_tool_enable \| bool
  |   |   |   | - ansible_facts['distribution_major_version'] == 9
  |   |   |   | - ansible_facts['distribution_major_version'] == "9"

[pablodav]

https://opendev.org/openstack/openstack-ansible-openstack_hosts/commit/7220c76237a4751f3607a3452ddf99ff21bdb053

[pablodav]

https://wiki.rockylinux.org/rocky/repo/#notes-on-unlisted-repositories