tf-stage1/archlinux: Fix the ttl entry for lists

The ttl must be aligned with the previous entries.

tf-stage1/archlinux.tf

@@ -230,7 +230,7 @@ locals {
     lists = {
       ipv4_address = "5.9.250.164"
       ipv6_address = "2a01:4f8:160:3033::2"
-      ttl = 600
+      ttl          = 600
     }
     luna = {
       ipv4_address = "5.9.250.164"