chore: update terraform docs

Author: github-actions[bot]

k8s/helm-template/README.md

@@ -52,7 +52,7 @@ No modules.
 
 | Name | Description |
 |------|-------------|
-| <a name="output_manifest"></a> [manifest](#output\_manifest) | n/a |
+| <a name="output_manifest"></a> [manifest](#output\_manifest) | Rendered Kubernetes manifests generated by Helm |
 | <a name="output_name"></a> [name](#output\_name) | The name of the helm release |
 | <a name="output_namespace"></a> [namespace](#output\_namespace) | The namespace of the helm release |
 <!-- END_TF_DOCS -->