Delete a retrospective step

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

{
  "data": {
    "id": "9907dc80-7966-4725-84e4-4c6b85c049df",
    "type": "retrospective_steps",
    "attributes": {
      "retrospective_process_id": "164a9bbf-4210-404a-b4d2-7774ce77bb5f",
      "title": "Step 11",
      "description": "Bar",
      "incident_role_id": "e789aa02-2263-4636-893c-9a113d41cd8d",
      "due_after_days": null,
      "position": 1,
      "skippable": true,
      "created_at": "2025-09-10T23:04:02.046-07:00",
      "updated_at": "2025-09-10T23:04:03.192-07:00"
    }
  }
}