Retrieves a workflow group

curl --request GET \
  --url https://api.rootly.com/v1/workflow_groups/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "9b08395f-eaf3-4d08-99ac-cd6308cd95e2",
    "type": "workflow_groups",
    "attributes": {
      "kind": "incident",
      "name": "Default Workflow Group",
      "description": null,
      "icon": "📁",
      "slug": "default-workflow-group-incident",
      "expanded": true,
      "position": 10
    }
  }
}