gitlab: use new(ish) cirrus-vars command for creating config

Rather than a giant sed command with a hardcoded list of env var name,
we can now use the new(ish) cirrus-vars command that libvirt has added
to the 'cirrus-run' container.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20241204194807.1472261-3-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2 files changed