Repo Server GP3 Correction

Missed one.

To be tagged v3.1.1

base/repo_server/main.tf

@@ -272,7 +272,7 @@ resource "aws_security_group_rule" "https-in-external-c2-users" {
 resource "aws_ebs_volume" "repo_server_drive" {
   availability_zone = aws_instance.instance.availability_zone
   size              = local.repo_drive_size
-  type              = "gp2" # consider moving to sc1 if this is ever > 500GB
+  type              = "gp3" # consider moving to sc1 if this is ever > 500GB
 
   #snapshot_id       = "${data.aws_ebs_snapshot.repo_snapshot.id}"