New release v4.2-r4

Author: justusdieckmann

version.php

@@ -29,7 +29,7 @@
 
 $plugin->component = 'mod_moodleoverflow';
 $plugin->version = 2023082500;
-$plugin->release = 'v4.2-r2';
+$plugin->release = 'v4.2-r4';
 $plugin->requires = 2020061500; // Requires Moodle 3.9+.
 $plugin->maturity = MATURITY_STABLE;
 $plugin->dependencies = array();