Release 2.39 (#5604)

* prepare audit via annotation
* default calendar slot label distance of 1h
+ replace freestyle config with dropdown
* added missing return definition in callbacks
* refactor view name handling
* dispatch calendar view changes and push them into the URL to be able to reload the poage
* bump packages
* fix timezone issue in calendar sum calculation
* fixes #5618 resetRates()
* show expected daily hours in working-contract screen

tests/Export/Spreadsheet/CellFormatter/DurationFormatterTest.php

@@ -24,12 +24,12 @@ class DurationFormatterTest extends AbstractFormatterTestCase
         return new DurationFormatter();
     }
 
-    protected function getActualValue()
+    protected function getActualValue(): int
     {
         return 3600;
     }
 
-    protected function getExpectedValue()
+    protected function getExpectedValue(): string
     {
         return '=3600/86400';
     }