IAM upgrades: SSO Permission Sets as Teams, SourceIdentity support, region independence (cloudposse/terraform-aws-components#738)

Author: Nuru

src/providers.tf

@@ -8,7 +8,7 @@ provider "aws" {
     # module.iam_roles.terraform_role_arn may be null, in which case do not assume a role.
     for_each = compact([module.iam_roles.terraform_role_arn])
     content {
-      role_arn = module.iam_roles.terraform_role_arn
+      role_arn = assume_role.value
     }
   }
 }