chore: updated ec2 configurations to require imdsv2 (#6005)

enos/modules/aws_boundary/boundary-instances.tf

@@ -26,6 +26,11 @@ resource "aws_instance" "controller" {
     encrypted   = true
   }
 
+  metadata_options {
+    http_endpoint = "enabled"
+    http_tokens   = "required"
+  }
+
   tags = merge(local.common_tags,
     {
       Name = "${local.name_prefix}-boundary-controller-${count.index}-${split(":", data.aws_caller_identity.current.user_id)[1]}"
@@ -54,6 +59,11 @@ resource "aws_instance" "worker" {
     encrypted   = true
   }
 
+  metadata_options {
+    http_endpoint = "enabled"
+    http_tokens   = "required"
+  }
+
   tags = merge(local.common_tags,
     {
       Name = "${local.name_prefix}-boundary-worker-${count.index}-${split(":", data.aws_caller_identity.current.user_id)[1]}",