Creation of dynamic property JiraRestApi\Sprint\Sprint::$createdDate is deprecated #523
Description
Under PHP 8.2 the creation of dynamic properties throws a deprecation warning.
When using version 5.6.0 of this library there's a risk of being shown the following deprecation warning;
Deprecated: Creation of dynamic property JiraRestApi\Sprint\Sprint::$createdDate is deprecated in /var/www/html/vendor/lesstif/php-jira-rest-client/src/JsonMapperHelper.php on line 25