CI: Use u-c in openstack-clients role

Change-Id: I29a3f86b59aeaa8ca64d5e6780fa094b903d0039

roles/openstack-clients/defaults/main.yml

@@ -35,3 +35,5 @@ openstack_clients_pip_packages:
 openstack_clients_venv_base: "{{ ansible_user_dir }}"
 openstack_clients_venv_name: "openstackclient-venv"
 openstack_clients_venv_path: "{{ openstack_clients_venv_base }}/{{ openstack_clients_venv_name }}"
+
+openstack_clients_upper_constraints_file: "{{ ansible_env.HOME }}/src/opendev.org/openstack/requirements/upper-constraints.txt"

roles/openstack-clients/tasks/main.yml

@@ -1,6 +1,7 @@
 ---
 - name: Setup OpenStack clients
   ansible.builtin.pip:
+    extra_args: "-c {{ openstack_clients_upper_constraints_file }}"
     name: "{{ item.package }}"
     virtualenv: "{{ openstack_clients_venv_path }}"
     virtualenv_command: "python3 -m venv"