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": "aedbb2de-64ec-4e98-80f0-cfa05a4f4d01",
    "type": "retrospective_steps",
    "attributes": {
      "retrospective_process_id": "cdfae4a3-ff0e-4705-9b73-98d16545e0f8",
      "title": "Step 2",
      "description": "Step 2 description",
      "incident_role_id": "3a2a5c80-9d51-4a5f-806d-6735aab997ee",
      "due_after_days": 7,
      "position": 2,
      "skippable": true,
      "created_at": "2025-09-04T12:42:16.963-07:00",
      "updated_at": "2025-09-04T12:42:17.909-07:00"
    }
  }
}