Update rake configuration

curl --request PATCH \
  --url https://api.ledger.so/v1/rake \
  --header 'Api-Key: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "enabled": true,
  "percentage": 123,
  "fixedAmount": 123,
  "minFee": 123,
  "maxFee": 123
}
'

{
  "enabled": true,
  "object": "rake_config",
  "percentage": 123,
  "fixedAmount": 123,
  "minFee": 123,
  "maxFee": 123
}