PHP8 兼容

[tourze]

报错信息： NOTICE: PHP message: PHP Fatal error: During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Finecho\Logistics\Order::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/php-app/vendor/finecho/logistics/src/Traits/HasAttributes.php:79

希望能兼容下PHP8，最简单就是直接加下#[\ReturnTypeWillChange] 然后发布个新版本