[bind] Fix apparmor

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

@@ -49,7 +49,8 @@ zone "_acme-challenge.crans.org" {
 zone "{{ zone }}" {
 	{% if is_master -%}
 	type master;
-	file "/var/local/re2o-services/dns/generated/dns.{{ zone }}.zone";
+	// Apparmor: Need to ln -s /var/cache/bind/generated /var/local/re2o-services/dns/generated
+	file "generated/dns.{{ zone }}.zone";
 	allow-transfer {
 		{% for ip in slaves_ipv4 -%}
 		{{ ip }};