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>",
      "description": "<string>",
      "enabled": true,
      "command": "<string>"
    }
  }
}
'

{
  "data": {
    "id": "7b728886-731e-409d-ad8a-e5c2879227d7",
    "type": "custom_forms",
    "attributes": {
      "slug": "alias-voluptates-optio-illum",
      "name": "Test Update",
      "description": "Sunt sint nam quae.",
      "enabled": true,
      "command": "alias-voluptates-optio-illum",
      "created_at": "2026-02-13T18:05:41.004-08:00",
      "updated_at": "2026-02-13T18:05:43.541-08:00"
    }
  }
}