fix: Tag security group with correct name (#380)

Author: estahn

main.tf

@@ -313,7 +313,7 @@ resource "aws_security_group" "this" {
   vpc_id      = var.vpc_id
   description = coalesce(var.security_group_description, "Control traffic to/from RDS Aurora ${var.name}")
 
-  tags = merge(var.tags, var.security_group_tags, { Name = var.name })
+  tags = merge(var.tags, var.security_group_tags, { Name = local.security_group_name })
 
   lifecycle {
     create_before_destroy = true