modules/umig creates a group per instance if num_instances>1

[sanyer]

TL;DR

Creating an unmanaged group with more than 1 instance creates a group per instance.

Expected behavior

Single unmanaged group contains var.num_instances instances

Observed behavior

var.num_instances unmanaged groups contains one instance each

Terraform Configuration

module "instance_template" {
  source  = "terraform-google-modules/vm/google//modules/instance_template"
  version = "8.0.1"
}

module "umig" {
  source            = "terraform-google-modules/vm/google//modules/umig"
  version           = "8.0.1"
  num_instances     = 3
  instance_template = module.gitlab_runner_instance_template.self_link
}

Terraform Version

Terraform v1.5.1
on darwin_arm64
+ provider registry.terraform.io/hashicorp/google v4.72.1

Additional information

No response

[github-actions]

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