Updates a communications stage

curl --request PATCH \
  --url https://api.rootly.com/v1/communications/stages/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '
{
  "data": {
    "type": "communications_stages",
    "attributes": {
      "name": "<string>",
      "description": "<string>",
      "position": 123
    }
  }
}
'

{
  "data": {
    "id": "b1646868-f0ea-4c04-9493-9a5c164870d2",
    "type": "communications_stages",
    "attributes": {
      "name": "Updated Stage Name",
      "slug": "fjm9y",
      "description": "Updated description",
      "position": 1,
      "created_at": "2025-12-19T18:14:19.014-08:00",
      "updated_at": "2025-12-19T18:14:20.373-08:00"
    }
  }
}