MDL-61165 mod_quiz: Bump version to clear removed legacy scheduled tasks

* We need to bump the plugin version in order for
\core\task\manager::reset_scheduled_tasks_for_component() to be run
and clear the removed legacy scheduled tasks.

mod/quiz/version.php

@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version = 2023042401;
+$plugin->version = 2023082400;
 $plugin->requires = 2023041800;
 $plugin->component = 'mod_quiz';