set version to 5.1.0 Beta 1

Author: Fasse

system/bootstrap/constants.php

@@ -22,7 +22,7 @@
 const MIN_PHP_VERSION = '8.2.0';
 
 const ADMIDIO_VERSION_MAIN = 5;
-const ADMIDIO_VERSION_MINOR = 0;
+const ADMIDIO_VERSION_MINOR = 1;
 const ADMIDIO_VERSION_PATCH = 0;
 const ADMIDIO_VERSION_BETA = 1;