test build mariadb 11.8

Author: seunghun1ee

etc/kayobe/stackhpc.yml

@@ -147,7 +147,7 @@ stackhpc_repo_delorian_master_build_deps_url: "https://trunk.rdoproject.org/cent
 
 # Kolla source repository.
 stackhpc_kolla_source_url: "https://github.com/stackhpc/kolla"
-stackhpc_kolla_source_version: stackhpc/{{ openstack_release }}
+stackhpc_kolla_source_version: test-mariadb-11-8
 
 # Kolla Ansible source repository.
 stackhpc_kolla_ansible_source_url: "https://github.com/stackhpc/kolla-ansible"