Release Notes for v30.0.4

Fixes

Fixed a crash in addChildView if a view is added as its own child. #42107 (Also in 31)
Fixed a crash when the same WebContentsView is added via addChildView multiple times. #42115 (Also in 31)
Fixed an error when calling setAutoResize on a BrowserView. #42137 (Also in 31)
Fixed an inconsistent crash on maximizing window and relayout in Ubuntu. #42145 (Also in 31)
Fixed an issue where calling window.center() on Windows and Linux incorrectly centered the window. #42100 (Also in 31)