Add AllowDynamicProperties attribute to xPDO class (#251)

This will avoid any compatibility issues with PHP >= 8.2 when using the deprecated getService() method in legacy applications.

Author: opengeek

src/xPDO/xPDO.php

@@ -55,6 +55,7 @@
  *
  * @package xpdo
  */
+#[\AllowDynamicProperties]
 class xPDO {
     /**#@+
      * Constants