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": "f7c722c4-091e-404d-b0f6-eaf9fe85d61e",
    "type": "retrospective_steps",
    "attributes": {
      "retrospective_process_id": "03846d1b-7d08-43bb-baae-706279d3d2bb",
      "title": "Step 2",
      "description": "Step 2 description",
      "incident_role_id": "5551c651-8e18-48d9-9b80-5eaeffc3d1a8",
      "due_after_days": 7,
      "position": 2,
      "skippable": true,
      "created_at": "2025-10-18T10:29:59.317-07:00",
      "updated_at": "2025-10-18T10:30:00.050-07:00"
    }
  }
}