The binaries were built on Ubuntu 20.04 and need a specific version of
libicu to work. Temporarily install libicu66 to be able to use common
binaries on both 20.04 and 22.04.
Change-Id: Ibb0bec24f1451ec48a79c6c978256c9d1474adee
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>