Use FQCN

Author: cityofships

roles/cephadm/tasks/prereqs.yml

@@ -43,7 +43,7 @@
   become: true
 
 - name: Pull ceph image with Docker
-  docker_image:
+  community.docker.docker_image:
     source: pull
     name: "{{ cephadm_image }}"
     state: present