Delete a RetrospectiveProcessGroup Step

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

{
  "data": {
    "id": "ad88279a-c3fd-45d0-91ee-64df06e265d8",
    "type": "retrospective_process_group_steps",
    "attributes": {
      "retrospective_process_group_id": "ae438bf1-5cee-45b7-b9ec-cc9670d48b4c",
      "retrospective_step_id": "14b06580-6854-4d62-90ef-cc1c52bef9f0",
      "position": 1,
      "updated_at": "2025-08-11T20:45:51.007-07:00",
      "created_at": "2025-08-11T20:45:50.943-07:00"
    }
  }
}