Use 22.04 in magnum-capi-images.j2

Author: MoteHue

ansible/templates/magnum-capi-images.j2

@@ -18,7 +18,7 @@
   visibility: "public"
   properties:
     os_distro: "ubuntu"
-    os_version: "20.04"
+    os_version: "22.04"
     kube_version: "{{ item.value.kubernetes_version }}"
 
 {% endfor %}