[TASK] Prepare release 5.1.2

Author: calien666

ext_emconf.php

@@ -8,7 +8,7 @@
     'author_company' => 'web-vision GmbH',
     'author_email' => '[email protected]',
     'state' => 'stable',
-    'version' => '5.1.1',
+    'version' => '5.1.2',
     'constraints' => [
         'depends' => [
             'php' => '8.1.0-8.4.99',