Update user

curl --request PATCH \
  --url https://api.wacht.dev/users/{user_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "first_name": "<string>",
  "last_name": "<string>",
  "metadata": {}
}
'

{
  "message": "Resource not found"
}