Update farstream to version 0.2.9+5 / rev 23 via SR 1003148
https://build.opensuse.org/request/show/1003148
by user dimstar + dimstar_suse
GNOME 43.rc - let's get this into Staging to see what we break (e.g meson:test seems to be an issue already) (forwarded request 1002616 from dimstar)