docs: auto update terraform docs

Author: github-actions[bot]

README.md

@@ -431,7 +431,7 @@ Made with [contributors-img](https://contrib.rocks).
 | <a name="input_gitlab_runner_registration_config"></a> [gitlab\_runner\_registration\_config](#input\_gitlab\_runner\_registration\_config) | Configuration used to register the runner. See the README for an example, or reference the examples in the examples directory of this repo. | `map(string)` | <pre>{<br>  "access_level": "",<br>  "description": "",<br>  "locked_to_project": "",<br>  "maximum_timeout": "",<br>  "registration_token": "",<br>  "run_untagged": "",<br>  "tag_list": ""<br>}</pre> | no |
 | <a name="input_gitlab_runner_security_group_description"></a> [gitlab\_runner\_security\_group\_description](#input\_gitlab\_runner\_security\_group\_description) | A description for the gitlab-runner security group | `string` | `"A security group containing gitlab-runner agent instances"` | no |
 | <a name="input_gitlab_runner_security_group_ids"></a> [gitlab\_runner\_security\_group\_ids](#input\_gitlab\_runner\_security\_group\_ids) | A list of security group ids that are allowed to access the gitlab runner agent | `list(string)` | `[]` | no |
-| <a name="input_gitlab_runner_version"></a> [gitlab\_runner\_version](#input\_gitlab\_runner\_version) | Version of the [GitLab runner](https://gitlab.com/gitlab-org/gitlab-runner/-/releases). | `string` | `"14.8.3"` | no |
+| <a name="input_gitlab_runner_version"></a> [gitlab\_runner\_version](#input\_gitlab\_runner\_version) | Version of the [GitLab runner](https://gitlab.com/gitlab-org/gitlab-runner/-/releases). | `string` | `"15.3.0"` | no |
 | <a name="input_instance_role_json"></a> [instance\_role\_json](#input\_instance\_role\_json) | Default runner instance override policy, expected to be in JSON format. | `string` | `""` | no |
 | <a name="input_instance_type"></a> [instance\_type](#input\_instance\_type) | Instance type used for the GitLab runner. | `string` | `"t3.micro"` | no |
 | <a name="input_kms_alias_name"></a> [kms\_alias\_name](#input\_kms\_alias\_name) | Alias added to the kms\_key (if created and not provided by kms\_key\_id) | `string` | `""` | no |