[META] Set the EM conf version number to 12.5.9

Author: tinzog

ext_emconf.php

@@ -9,7 +9,7 @@
     'title' => 'in2publish Core',
     'description' => 'Content publishing extension to connect stage and production server',
     'category' => 'plugin',
-    'version' => '12.5.8',
+    'version' => '12.5.9',
     'state' => 'stable',
     'clearCacheOnLoad' => true,
     'author' => 'Alex Kellner, Oliver Eglseder, Thomas Scheibitz, Stefan Busemann',