ajuste versions

Author: evairmarinho

README.md

@@ -66,7 +66,7 @@ module "terraform-aws-iam-users-groups" {
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12.6 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 2.50 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 2.50, < 4.0 |
 
 ## Providers