Merge pull request dokuwiki#4277 from dregad/bump_updateversion

Bump $updateVersion to 56

Author: splitbrain

doku.php

@@ -13,7 +13,7 @@
 use dokuwiki\Extension\Event;
 
 // update message version - always use a string to avoid localized floats!
-$updateVersion = "55";
+$updateVersion = "56";
 
 //  xdebug_start_profiling();