Use config_template as a collection
Use config_template as a collection

Since we still use ceph-ansible that has their own implementation of
config_template module it's worth to use mentioned module as a collection
explicitly.

Depends-On: https://review.opendev.org/c/openstack/openstack-ansible/+/819814



Change-Id: Ie68c003bf05e9875ef7036cc6cb5951216128110
openstack/openstack-ansible-openstack_hosts,openstack/openstack-ansible-openstack_hosts