Update a retrospective step

curl --request PUT \
  --url https://api.rootly.com/v1/retrospective_steps/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '{
  "data": {
    "type": "retrospective_steps",
    "attributes": {
      "title": "<string>",
      "description": "<string>",
      "incident_role_id": "<string>",
      "due_after_days": 123,
      "position": 123,
      "skippable": true
    }
  }
}'

{
  "data": {
    "id": "548e6bc2-6c82-4abe-8f2f-b2c4c2d7b593",
    "type": "retrospective_steps",
    "attributes": {
      "retrospective_process_id": "2337a5d8-3db8-4b60-94bc-efb81e9855b7",
      "title": "Step 2",
      "description": "Step 2 description",
      "incident_role_id": "d11d01e9-df1e-4194-b5ec-af0810f60a45",
      "due_after_days": 7,
      "position": 2,
      "skippable": true,
      "created_at": "2025-05-29T17:47:41.012-07:00",
      "updated_at": "2025-05-29T17:47:42.478-07:00"
    }
  }
}