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: I8012108a59b52156fefc0d73011465066f922c4e

tasks/aodh_post_install.yml

@@ -14,7 +14,7 @@
 # limitations under the License.
 
 - name: Copy aodh config
-  config_template:
+  openstack.config_template.config_template:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"
     owner: "{{ aodh_system_user_name }}"
@@ -38,7 +38,7 @@
     - aodh-config
 
 - name: Implement policy.yaml if there are overrides configured
-  config_template:
+  openstack.config_template.config_template:
     dest: "/etc/aodh/policy.yaml"
     content: "{{ aodh_policy_overrides }}"
     owner: "{{ aodh_system_user_name }}"