fix: using the cidr range from the dns service

dns.tf

@@ -33,7 +33,7 @@ module "dns" {
     create     = false
     name       = var.services.dns.network.name
     subnet_ids = module.dns_vpc[0].private_subnet_ids
-    vpc_cidr   = module.dns_vpc[0].vpc_cidr
+    vpc_cidr   = var.services.dns.network.vpc_cidr
     vpc_id     = module.dns_vpc[0].vpc_id
   }