fix: fix wrong type for host_resource_group_arn

Author: edersonbrilhante

README.md

@@ -200,7 +200,7 @@ Join our discord community via [this invite link](https://discord.gg/bxgXW8jJGh)
 | <a name="input_runner_log_files"></a> [runner\_log\_files](#input\_runner\_log\_files) | (optional) Replaces the module default cloudwatch log config. See https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-Configuration-File-Details.html for details. | <pre>list(object({<br/>    log_group_name   = string<br/>    prefix_log_group = bool<br/>    file_path        = string<br/>    log_stream_name  = string<br/>  }))</pre> | `null` | no |
 | <a name="input_runner_metadata_options"></a> [runner\_metadata\_options](#input\_runner\_metadata\_options) | Metadata options for the ec2 runner instances. By default, the module uses metadata tags for bootstrapping the runner, only disable `instance_metadata_tags` when using custom scripts for starting the runner. | `map(any)` | <pre>{<br/>  "http_endpoint": "enabled",<br/>  "http_put_response_hop_limit": 1,<br/>  "http_tokens": "required",<br/>  "instance_metadata_tags": "enabled"<br/>}</pre> | no |
 | <a name="input_runner_name_prefix"></a> [runner\_name\_prefix](#input\_runner\_name\_prefix) | The prefix used for the GitHub runner name. The prefix will be used in the default start script to prefix the instance name when register the runner in GitHub. The value is available via an EC2 tag 'ghr:runner\_name\_prefix'. | `string` | `""` | no |
-| <a name="input_runner_os"></a> [runner\_os](#input\_runner\_os) | The EC2 Operating System type to use for action runner instances (linux,windows). | `string` | `"linux"` | no |
+| <a name="input_runner_os"></a> [runner\_os](#input\_runner\_os) | The EC2 Operating System type to use for action runner instances (linux, osx, windows). | `string` | `"linux"` | no |
 | <a name="input_runner_placement"></a> [runner\_placement](#input\_runner\_placement) | The placement options for the instance. See https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/launch_template#placement for details. | <pre>object({<br/>    affinity                = optional(string)<br/>    availability_zone       = optional(string)<br/>    group_id                = optional(string)<br/>    group_name              = optional(string)<br/>    host_id                 = optional(string)<br/>    host_resource_group_arn = optional(string)<br/>    spread_domain           = optional(string)<br/>    tenancy                 = optional(string)<br/>    partition_number        = optional(number)<br/>  })</pre> | `null` | no |
 | <a name="input_runner_run_as"></a> [runner\_run\_as](#input\_runner\_run\_as) | Run the GitHub actions agent as user. | `string` | `"ec2-user"` | no |
 | <a name="input_runners_ebs_optimized"></a> [runners\_ebs\_optimized](#input\_runners\_ebs\_optimized) | Enable EBS optimization for the runner instances. | `bool` | `false` | no |