Release 2.0.26 (#4087)

- setting "rounding days" not required
- developer: added user pref for public holiday group (to be used by plugins)
- developer: added WorkingTimeYearEvent (to be used by plugins)
- user pref: cleanup work contract form and support more fields (to be used by plugins)
- code cleanup
- bump theme and composer packages

src/Event/WorkingTimeYearEvent.php

@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Event;
+
+use App\WorkingTime\Model\Year;
+use Symfony\Contracts\EventDispatcher\Event;
+
+final class WorkingTimeYearEvent extends Event
+{
+    public function __construct(private Year $year)
+    {
+    }
+
+    public function getYear(): Year
+    {
+        return $this->year;
+    }
+}