ap: Migrate to docker compose V2
    
    Azure Pipelines started to roll 20240401.4 Ubuntu image that doesn't
    include docker-compose v1:
    
    https://github.com/actions/runner-images/blob/ubuntu20/20240401.4/images/ubuntu/Ubuntu2004-Readme.md
    
    See https://github.com/actions/runner-images/issues/9557
    
    Compose V1 to V2 migration guide:
    
    https://docs.docker.com/compose/migrate/
    
    Fixes: https://pagure.io/freeipa/issue/9566
    Signed-off-by: Stanislav Levin <slev@altlinux.org>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>