Update a custom form

curl --request PUT \
  --url https://api.rootly.com/v1/custom_forms/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '{
  "data": {
    "type": "custom_forms",
    "attributes": {
      "name": "<string>",
      "slug": "<string>",
      "description": "<string>",
      "enabled": true,
      "command": "<string>"
    }
  }
}'

{
  "data": {
    "id": "fcb4fd22-37ee-4616-ab1e-56bd9e530afe",
    "type": "custom_forms",
    "attributes": {
      "slug": "quidem-est-molestiae-qui",
      "name": "Test Update",
      "description": "Aperiam et quam veniam.",
      "enabled": true,
      "command": "quidem-est-molestiae-qui",
      "created_at": "2025-05-29T17:41:22.104-07:00",
      "updated_at": "2025-05-29T17:41:26.434-07:00"
    }
  }
}