feat: add ovirt roles

- add repositories for ovirt
- add role/profile for ovirt/engine and ovirt/node
- add deep-merge for managed_repos
- change repos to allow filesource (URL or file://)
- change reposync to use curl instead of wget

hieradata/os/AlmaLinux/all_releases.yaml

@@ -3,6 +3,7 @@
 profiles::yum::base::baseurl: https://repos.main.unkin.net/almalinux
 profiles::yum::epel::baseurl: https://repos.main.unkin.net/epel
 profiles::yum::unkin::baseurl: https://repos.main.unkin.net/unkin
+profiles::yum::ovirt::baseurl: https://repos.main.unkin.net/centos
 profiles::firewall::firewalld::ensure_package: 'absent'
 profiles::firewall::firewalld::ensure_service: 'stopped'
 profiles::firewall::firewalld::enable_service: false