Deprecation warnings for PHP 8.4 - Implicitly marking parameter as nullable is deprecated

[alucic]

PHP 8.4
pandadoc/php-client 6.2.0

DEPRECATED  PandaDoc\Client\Api\DocumentsApi::__construct(): Implicitly marking parameter $client as nullable is deprecated, the explicit nullable type must be used instead in vendor/pandadoc/php-client/src/Api/DocumentsApi.php on line 76.

https://dev.to/gromnan/fix-php-84-deprecation-implicitly-marking-parameter-as-nullable-is-deprecated-the-explicit-nullable-type-must-be-used-instead-5gp3