[bind] Sort zones

roles/bind-authoritative/templates/bind/named.conf.local.j2

@@ -51,7 +51,7 @@ zone "_acme-challenge.crans.org" {
 };
 
 // Crans zones
-{% for zone in bind.zones %}
+{% for zone in bind.zones|sort %}
 zone "{{ zone }}" {
 	{% if is_master -%}
 	type master;