update jest to v30 (#3815)

e2e:
- needed window.close(), otherwise the objects are not destroyed
- add missing `await` in clock test
- set maxListeners for all tests

remaining todo (comes with another PR if I find the problem):
- calendar e2e is now the only test which still needs `--forceExit`

Author: khassel

CHANGELOG.md

@@ -51,7 +51,7 @@ planned for 2025-07-01
 
 ### Updated
 
-- [core] Update dependencies including electron to v36 (#3774, #3788, #3811, #3804)
+- [core] Update dependencies including electron to v36 (#3774, #3788, #3811, #3804, #3815)
 - [core] Update package type to `commonjs`
 - [logger] Review factory code part: use `switch/case` instead of `if/else if` (#3812)