[BUG] php8.0 or upper

[chanchunctwo]

Describe the bug
main.CRITICAL: Exception message: Deprecated Functionality: Creation of dynamic property FuelSdk\ET_TriggeredSend::$folderProperty is deprecated in /bitnami/magento/vendor/rizhk/fuel-sdk-php/src/ET_TriggeredSend.php on line 27
Trace:

#1 FuelSdk\ET_TriggeredSend->__construct() called at [vendor/pernod-ricard/magento-mod-pr_marketing_cloud/Framework/Sfmc/Network.php:165]

To Reproduce

Its affect marketing cloud feature using M2.4.6
Expected behavior

It should be compatible to new php version
Code snippet

You should always add their variables as public or protected when construct them in class like ET_TriggeredSend.php, please also check others as well.
protected $folderProperty ;
protected $folderMediaType;

	function __construct()
	{
		$this->obj = "TriggeredSendDefinition";
		$this->folderProperty = "CategoryID";
		$this->folderMediaType = "triggered_send";
	}
Note: Because the developers need to copy and paste the code snippet, including a code snippet as a media file (e.g. gif) is not sufficient.
Environment

PHP version 8.2.8