Delete a retrospective step

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

{
  "data": {
    "id": "10b43032-4ce4-4554-8258-bdd76bbab8d4",
    "type": "retrospective_steps",
    "attributes": {
      "retrospective_process_id": "6910081f-c8f3-4863-b459-af3ef119efc4",
      "title": "Step 11",
      "description": "Bar",
      "incident_role_id": "9466f3b6-9c77-4440-99bf-9c750160c2cc",
      "due_after_days": null,
      "position": 1,
      "skippable": true,
      "created_at": "2026-01-13T01:38:13.273-08:00",
      "updated_at": "2026-01-13T01:38:14.506-08:00"
    }
  }
}