Log Message:
glib2 glib2-tools gdbus-codegen: updated to 2.78.4

Overview of changes in GLib 2.78.4, 2024-01-21
==============================================

* Bugs fixed:
  - Backport !3751 “Fix generated RST anchors for methods, signals and
    properties” to glib-2-78
  - docs/reference: depend on a native gtk-doc
  - Backport !3753 “gobject_gdb.py: Do not break bt on optimized build” to
    glib-2-78
  - Backport !3750 “gregex: clean up usage of _GRegex.jit_status” to
    glib-2-78

Overview of changes in GLib 2.78.3, 2023-12-06
==============================================

* Fix a crash-causing regression in xdgmime

* Bugs fixed:
  - Crash in __gio_xdg_cache_mime_type_subclass (Philip Withnall)
  - Backport !3742 “xdgmime: Update to upstream commit c2c814d4051f232” to
    glib-2-78

Overview of changes in GLib 2.78.2, 2023-12-05
==============================================

* Bugs fixed:
  - check for #ifdef PTRACE_O_EXITKILL will always fail since it isn't a
    macro (Alessandro Bono)
  - gsubprocess build-time test intermittently timing out since 2.78.1
    (Simon McVittie)
  - Backport !3669 “meson: Improve PTRACE_O_EXITKILL presence check” to
    glib-2-78
  - Backport !3677 “Make GQuark register intentional leaks” to glib-2-78
  - Backport 3678 “gsignalgroup: Avoid function call with side effect in
    g_return_* macro” to glib-2-78
  - Backport !3685 “tests: Don't assume that sh optimizes simple commands
    into exec” to glib-2-78
  - Backport !3714 “xdgmime: Handle buggy type definitions with circular
    inheritance” to glib-2-78
  - Backport !3725 “collate: Don't segfault on bad input” to glib-2-78

* Translation updates:
  - Ukrainian (Yuri Chornoivan)