Log Message:
Update glib2 to 2.64.4

* Bugs fixed:
 - #2140 calling malloc in fork child is undefined-behaviour
 - !1507 Backport !1504 "win32 gpoll: Fix wait for at least one thread
   to return" to glib-2-64
 - !1523 Backport !1522 "meson: Fix gnulib printf checks" to glib-2-64
 - !1547 Backport !1544 "Resolve "calling malloc in fork child is
    undefined-behaviour"" to glib-2-64

* Translation updates:
 - Kazakh
 - Slovenian