Update filters.md

[fouteox]

abstract class AbstractFilter implements FilterInterface :

public function __construct(protected ManagerRegistry $managerRegistry, LoggerInterface $logger = null, protected ?array $properties = null, protected ?NameConverterInterface $nameConverter = null)
{
    $this->logger = $logger ?? new NullLogger();
}

The tild should not be in second position, it should be the log as shown in the AbstractFilter constructor

[soyuka]

thanks