CopyButton: Removed prop activeTitle. Use activeText instead. (#3426)

Combobox: 💥 Removed prop toggleListButtonLabel (#3409)

Combobox: Hid buttons from screen readers, added title on clear button, removed sr-only text on toggle list button. (#3409)

InternalHeader.UserButton: Remove title-attribute on icon and improved types. (#3424)

CopyButton: Fix issue where state changes are announced multiple times using VO in Chrome (#3374)