os-control: ensure kubernetes package is available on os-control(s)

Signed-off-by: David Kirwan <davidkirwanirl@gmail.com>

playbooks/groups/os-control.yml

@@ -30,6 +30,11 @@
       name: unzip
       state: present
 
+  - name: Install python3-kubernetes
+    ansible.builtin.package:
+      name: python3-kubernetes
+      state: present
+
   - name: Install tar
     ansible.builtin.package:
       name: tar