Fix default place for Ubuntu Apt keyrings

The Ansible openstack.kolla collection already uses [1,2]
the recommended location [3] for the Ubuntu Apt keyrings,
so lets fix this in Kayobe too.

[1] https://opendev.org/openstack/ansible-collection-kolla/src/branch/master/roles/docker/tasks/repo-Debian.yml#L21
[2] https://opendev.org/openstack/ansible-collection-kolla/src/branch/master/roles/podman_sdk/tasks/main.yml#L13
[3] https://manpages.ubuntu.com/manpages/jammy/en/man8/apt-key.8.html#deprecation



Change-Id: I4901294c8f5912cb35df3866ed13012461b4f644
Signed-off-by: Maksim Malchuk <maksim.malchuk@gmail.com>