ci: switch to using lcitool manifest
OS distro changes
- CentOS 7 dropped
- CentOS 8 replaced by AlmaLinux 8
- Fedora 32 replaced by Fedora 35
- Fedora 33 replaced by Fedora 36
- OpenSUSE Leap 15.2 replaced by OpenSUSE Leap 15.3
- Ubuntu 18.04 replaced by Ubuntu 22.04
The GitLab configuration file jobs are dropped, replaced by the auto-generated files from the manifest.
Signed-off-by: Daniel P. Berrangé berrange@redhat.com