Update alb_listener.tf

fixing emergency typo

tf_ecs_default_service/alb_listener.tf

@@ -3,7 +3,7 @@
 resource "aws_alb_target_group" "grp" {
   name                 = "${var.task_name}-${var.environment}"
   port                 = "${var.container_port}"
-  protocol             = "${var.conatiner_protocol}"
+  protocol             = "${var.container_protocol}"
   vpc_id               = "${var.vpc_id}"
   deregistration_delay = "${var.deregistration_delay}"