Since version 2.3.2.4 our PHP unit test are failing.
We are running PHP8.1
PHP Fatal error: Declaration of Bluem\BluemPHP\Validators\WebhookXmlValidation::validate(SimpleXMLElement $data): Bluem\BluemPHP\Validators\WebhookXmlValidation must be compatible with Bluem\BluemPHP\Validators\WebhookValidator::validate($data): Bluem\BluemPHP\Validators\WebhookValidator in .../vendor/bluem-development/bluem-php/src/Validators/WebhookXmlValidation.php on line 26
In WebhookXmlValidation.php line 26:
Declaration of Bluem\BluemPHP\Validators\WebhookXmlValidation::validate(Sim
pleXMLElement $data): Bluem\BluemPHP\Validators\WebhookXmlValidation must b
e compatible with Bluem\BluemPHP\Validators\WebhookValidator::validate($dat
a): Bluem\BluemPHP\Validators\WebhookValidator