localedata: add new locale ab_GE

Add the Abkhazian language in the Georgia territory

The ab_GE was just recently added to CLDR, it should be available
in CLDR v41, https://github.com/unicode-org/cldr/pull/1402



The Abkhazian language has been added to Gnome for localization

The locale has been tested on Ubuntu 20.04, Mint 20.2 and Fedora 35 Beta

Signed-off-by: Nart Tlisha <daniel.abzakh@gmail.com>
Reviewed-by: Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>