[libvirt PATCH 2/4] ci: containers: Add CentOS Stream 9 target

[Erik Skultety]

...
> > +x86_64-centos-stream-9:
> > +  extends: .native_build_job
> > +  needs:
> > +    - x86_64-centos-stream-9-container
> > +  allow_failure: false
> > +  variables:
> > +    NAME: centos-stream-9
> 
> Bearing in mind that c9s is an unreleased distro, we might
> find ourselves needing allow_failure: true - hopefully not,
> but lets keep an eye on how reliable this is once merged.

What do you mean by unreleased?

Erik