Delete a retrospective step

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

{
  "data": {
    "id": "8c0f2f80-a5e0-431d-a9ef-86c6eba45e4f",
    "type": "retrospective_steps",
    "attributes": {
      "retrospective_process_id": "bef3389c-c4a2-4e4a-ac85-f9e29ff783b2",
      "title": "Step 11",
      "description": "Bar",
      "incident_role_id": "2ce90e50-5ef6-483d-9293-2dc2cce2d8d1",
      "due_after_days": null,
      "position": 1,
      "skippable": true,
      "created_at": "2025-12-24T09:27:52.194-08:00",
      "updated_at": "2025-12-24T09:27:53.003-08:00"
    }
  }
}