prepare release 1.13 (#2290)

* make voters a final class
* upgrade dependencies
* sort project alphabetically in dashboard widget
* open detail page on row click
* do not break on null tag name
* added max height to scrollable widgets on dashboard
* added timesheet duplicate event
* allow to deactivate browser title update
* improve comment box
* moved role permissions to own menu
* removed tabs in user screen
* fix user can remove super-admin from own account

src/Voter/ProjectVoter.php

@@ -19,7 +19,7 @@ use Symfony\Component\Security\Core\Authorization\Voter\Voter;
 /**
  * A voter to check permissions on Projects.
  */
-class ProjectVoter extends Voter
+final class ProjectVoter extends Voter
 {
     /**
      * support rules based on the given project