fix version date

Author: Dmi3yy

manager/includes/version.inc.php

@@ -1,5 +1,5 @@
 <?php
 $modx_version      = '1.4.2'; // Current version number
-$modx_release_date = 'Mar 22, 2018'; // Date of release
+$modx_release_date = 'Mar 23, 2018'; // Date of release
 $modx_branch       = 'Evolution'; // Codebase name
 $modx_full_appname = "{$modx_branch} {$modx_version} ({$modx_release_date})";