PHP 8.4 Warnings

[mlahargou]

         Gnikyt\BasicShopifyAPI\BasicShopifyAPI::rest(): Implicitly marking     
         parameter $params as nullable is deprecated, the explicit nullable type
         must be used instead                                                   

         Gnikyt\BasicShopifyAPI\BasicShopifyAPI::restAsync(): Implicitly marking
         parameter $params as nullable is deprecated, the explicit nullable type
         must be used instead                                                   

         Gnikyt\BasicShopifyAPI\Clients\Rest::request(): Implicitly marking     
         parameter $params as nullable is deprecated, the explicit nullable type
         must be used instead                            

         Gnikyt\BasicShopifyAPI\Contracts\RestRequester::request(): Implicitly  
         marking parameter $params as nullable is deprecated, the explicit      
         nullable type must be used instead