Setting status_on_timeout when updating ping config does not seem to work

[sotpotatis]

This response is returned when sending a valid PUT query to /api/monitors and specify to update the ping config:

{
  "message": "Key part status_on_timeout/status_on_timeout has invalid type (expected , and <class 'int'>, got <class 'str'>).",
  "status": "error",
  "status_code": 400
}