Use the ansible.builtin.include_role task

This task is more versatile than directly including the roles in the
playbook or playbook fragment.  See here for more details:
https://docs.ansible.com/ansible/latest/user_guide/playbooks_reuse_roles.html#id6

Author: jsf9k

README.md

@@ -38,8 +38,10 @@ Here's how to use it in a playbook:
 - hosts: all
   become: yes
   become_method: sudo
-  roles:
-    - skeleton
+  tasks:
+    - name: Include skeleton
+      ansible.builtin.include_role:
+        name: skeleton
 ```
 
 ## New Repositories from a Skeleton ##

molecule/default/upgrade.yml

@@ -3,5 +3,7 @@
   name: Upgrade base image
   become: yes
   become_method: sudo
-  roles:
-    - upgrade
+  tasks:
+    - name: Upgrade system packages
+      ansible.builtin.include_role:
+        name: upgrade