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: If9bed4699d5a7ab10b6a9779ae6fbde143b747b7

tasks/masakari_post_install.yml

@@ -14,7 +14,7 @@
 # limitations under the License.
 
 - name: Deploy masakari configuration files
-  config_template:
+  openstack.config_template.config_template:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"
     owner: "root"
@@ -48,7 +48,7 @@
     - Restart masakari services
 
 - name: Implement policy.yaml
-  config_template:
+  openstack.config_template.config_template:
     content: "{{ masakari_policy_overrides }}"
     dest: "{{ masakari_etc_dir }}/policy.yaml"
     owner: "root"