fix: Set sensitive=true for sensitive outputs and use tolist() (#148)

examples/iam-user/outputs.tf

@@ -41,11 +41,13 @@ output "this_iam_access_key_encrypted_secret" {
 output "this_iam_access_key_secret" {
   description = "The access key secret"
   value       = module.iam_user.this_iam_access_key_secret
+  sensitive   = true
 }
 
 output "this_iam_access_key_ses_smtp_password_v4" {
   description = "The secret access key converted into an SES SMTP password"
   value       = module.iam_user.this_iam_access_key_ses_smtp_password_v4
+  sensitive   = true
 }
 
 output "this_iam_access_key_status" {

modules/iam-assumable-role/main.tf

 locals {
-  role_sts_externalid = flatten(list(var.role_sts_externalid))
+  role_sts_externalid = flatten(tolist(var.role_sts_externalid))
 }
 
 data "aws_iam_policy_document" "assume_role" {

modules/iam-user/outputs.tf

@@ -43,6 +43,7 @@ output "this_iam_access_key_id" {
 output "this_iam_access_key_secret" {
   description = "The access key secret"
   value       = element(concat(aws_iam_access_key.this_no_pgp.*.secret, [""]), 0)
+  sensitive   = true
 }
 
 output "this_iam_access_key_key_fingerprint" {
@@ -65,6 +66,7 @@ output "this_iam_access_key_ses_smtp_password_v4" {
     ),
     0
   )
+  sensitive = true
 }
 
 output "this_iam_access_key_status" {