php 8.4.17 support?

[jendamozna]

FioApi\Downloader::__construct(): Implicitly marking parameter $client as nullable is deprecated, the explicit nullable type must be used instead

`12: use Psr\Http\Message\ResponseInterface;
13:
14: class Downloader
15: {
16: /** @var UrlBuilder /
17: protected $urlBuilder;
18:
19: /* @var Client */
20: protected $client;
21:
22: public function __construct(string $token, ClientInterface $client = null)

23: {
24: $this->urlBuilder = new UrlBuilder($token);
25: $this->client = $client;
26: }`