SwaggerBake.beforeRender event is not allowing modification of the Swagger::array

[cnizzardini]

Describe the bug
SwaggerBake.beforeRender event is not allowing modification of the Swagger::array

To Reproduce

        EventManager::instance()
            ->on('SwaggerBake.beforeRender', function (Event $event) {
                /** @var Swagger $swagger */
                $swagger = $event->getSubject();
                $openApi = $swagger->getArray();
                $openApi['info']['description'].= ' This is sentence was added via the SwaggerBake.beforeRender event';
                $swagger->setArray($openApi);

                return $swagger;
            });

Expected behavior
Can modify array

Version and Platform (please complete the following information):

• OS/Platform: Linux
• CakePHP: 4.1.5
• SwaggerBake Version: 1.5.8