release.sh: added xkeyboard-config
release.sh: added xkeyboard-config

xkeyoard-config uses separate maillist and stored into its own
release subdirectory

Signed-off-by: Sergey V. Udaltsov <d0252796afebab5b5a5904f69d1fbab0d7725b62@gnome.org>
Signed-off-by: Peter Hutterer <b9c50af7afa7642f6f854434cda9ffe54ece8b85@who-t.net>

tmzt/androix-util-modular,freedesktop-unofficial-mirror/xorg__util__modular,freedesktop-unofficial-mirror/xorg__util__modular,tmzt/androix-util-modular,freedesktop-unofficial-mirror/xorg__util__modular