List instances of a workflow

curl --request GET \
  --url http://localhost:55001/api/orchestration/instances \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "workflowID": "<string>",
      "id": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "status": [
        {
          "stage": 123,
          "instanceID": "<string>",
          "startedAt": "2023-11-07T05:31:56Z",
          "terminatedAt": "2023-11-07T05:31:56Z",
          "error": "<string>"
        }
      ],
      "terminated": true,
      "terminatedAt": "2023-11-07T05:31:56Z",
      "error": "<string>"
    }
  ]
}