podman: Ensure auto update timer is enabled

roles/podman/tasks/main.yaml

@@ -4,3 +4,9 @@
     name:
       - podman
       - aardvark-dns
+
+- name: Ensure podman auto update timer is enabled
+  ansible.builtin.systemd_service:
+    name: podman-auto-update.timer
+    state: started
+    enabled: true