Update version number and date

Author: martignoni

version.php

@@ -26,8 +26,8 @@
 
 $plugin = new stdClass();
 
-$plugin->version  = 2022080201;
-$plugin->release = '2.13.0';
+$plugin->version  = 2022080400;
+$plugin->release = '2.13.1';
 $plugin->requires = 2018120300;
 $plugin->supported = [36, 400];
 $plugin->maturity = MATURITY_STABLE;