fix php 84 deprecations

[JulienRAVIA]

Details

FILE: /home/jravia/code/crm/vendor/mapado/rest-client-sdk/Tests/Units/Model/SerializerTest.php
------------------------------------------------------------------------------------------------------------------------
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
------------------------------------------------------------------------------------------------------------------------
 1188 | WARNING | Implicitly marking a parameter as nullable is deprecated since PHP 8.4. Update the type to be
      |         | explicitly nullable instead. Found implicitly nullable parameter: $mapping.
      |         | (PHPCompatibility.FunctionDeclarations.RemovedImplicitlyNullableParam.Deprecated)
------------------------------------------------------------------------------------------------------------------------


FILE: /home/jravia/code/crm/vendor/mapado/rest-client-sdk/Tests/Units/EntityRepositoryTest.php
------------------------------------------------------------------------------------------------------------------------
FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
------------------------------------------------------------------------------------------------------------------------
 795 | WARNING | Implicitly marking a parameter as nullable is deprecated since PHP 8.4. Update the type to be
     |         | explicitly nullable instead. Found implicitly nullable parameter: $mapping.
     |         | (PHPCompatibility.FunctionDeclarations.RemovedImplicitlyNullableParam.Deprecated)
 796 | WARNING | Implicitly marking a parameter as nullable is deprecated since PHP 8.4. Update the type to be
     |         | explicitly nullable instead. Found implicitly nullable parameter: $modelName.
     |         | (PHPCompatibility.FunctionDeclarations.RemovedImplicitlyNullableParam.Deprecated)
------------------------------------------------------------------------------------------------------------------------