Add libxfce4windowing to CI build container
Do not merge until:
-
libxfce4windowing is moved to the xfce
namespace fromkelnos
-
added to release manager -
we've made a dev release of it
cc: @Tamaranch
Edited by Brian Tarricone
Do not merge until:
xfce
namespace from kelnos
cc: @Tamaranch