Fix supported version number syntax

Author: stefanscholz

version.php

@@ -28,5 +28,5 @@
 $plugin->requires = 2022041900;         // Requires this Moodle version.
 $plugin->release = 'Version 1.3';
 $plugin->component = 'format_kickstart'; // Full name of the plugin (used for diagnostics).
-$plugin->supported = [40, 403];
+$plugin->supported = [400, 403];
 $plugin->maturity = MATURITY_STABLE;