php 8.4 deprecations

Hi,

there are some notices about deprecations when using 8.4:

Deprecated: AcfBetterSearch\Notice\NoticeIntegration::set_default_value(): Implicitly marking parameter $default_value as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/app/mu-plugins/acf-better-search/src/Notice/NoticeIntegration.php on line 84

Deprecated: AcfBetterSearch\Settings\Config::__construct(): Implicitly marking parameter $options as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/app/mu-plugins/acf-better-search/src/Settings/Config.php on line 22

Deprecated: AcfBetterSearch\Settings\Page::__construct(): Implicitly marking parameter $options as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/web/app/mu-plugins/acf-better-search/src/Settings/Page.php on line 26

otherwise everything works, just as a head up.

Thanks,

W4rl0ck