Boolean as a parameter in the request object will result to '1' or '0' in the http request, which is not supported by the API. (#161)

e.g. setting "withDefinitions" to true in  ListOrderCustomAttributesRequest will be translated to /custom-attributes?with_definitions=1 in the http request

Author: mihailogajic

src/Core/Client/RawClient.php

@@ -250,6 +250,9 @@ private function encodeQueryValue(mixed $value): string
         if (is_string($value)) {
             return urlencode($value);
         }
+        if (is_bool($value)) {
+            return $value ? 'true' : 'false';
+        }
         if (is_scalar($value)) {
             return urlencode((string)$value);
         }