Add a minimum ansible core check (#308)

Signed-off-by: Derek Nola <derek.nola@suse.com>

roles/prereq/tasks/main.yml

@@ -1,4 +1,10 @@
 ---
+- name: Enforce minimum Ansible version
+  ansible.builtin.assert:
+    that:
+      - ansible_version.full is version('2.14', '>=')
+    msg: "Minimum ansible-core version required is 2.14"
+
 - name: Install Dependent Ubuntu Packages
   when: ansible_distribution in ['Ubuntu']
   ansible.builtin.apt: