gir: Update phosh-gir to 0.44~rc1
This updates to
79b8df8b5 ("Merge branch 'private-headers' into 'main'")
(so slightly past rc1)
We mostly need this update since the library API version changed.
If folks help out with reducing API surface we could aim for a stable API for 0.45.
Edited by Guido Günther