glib2 glib2-tools gdbus-codegen: updated to 2.78.1

Overview of changes in GLib 2.78.1, 2023-10-25
==============================================

* Fix truncating files when `g_file_set_contents_full()` is called without
  `G_FILE_SET_CONTENTS_CONSISTENT`

* Fix `-Dlibelf=disabled` on Linux

* Bugs fixed:
  - NetworkManager 1.44.0 crashes repeatedly with glib 2.78.0 (Philip
    Withnall)
  - gsubprocess-testprog.c: build error with cygwin (sys/ptrace.h: No such
    file or directory) (Philip Withnall)
  - gio clears modification time in microseconds when setting with
    `set_modification_date_time` (Lukáš Tyrychtr)
  - Build of glib 2.78.0 ignores -Dlibelf=disabled (Philip Withnall)
  - glib-2.78.0 fails at gio/tests/gsubprocess.p/gsubprocess.c.o
  - Segfault when creating GIO GPropertyAction without properties
  - `g_file_set_contents_full()` doesn't truncate the file (without
    `G_FILE_SET_CONTENTS_CONSISTENT`) (Philip Withnall)
  - guniprop.c: Avoid creating (temporarily) out-of-bounds pointers
  - Fixes for integer cast warnings when targeting CHERI
  - Fix test_find_program on FreeBSD
  - gconstructor.h: Ensure [c|d]tor prototypes are present for MSVC (Chun-
    wei Fan)
  - Fix gutils-user-database test on macOS
  - Add value annotation to G_TYPE_FUNDAMENTAL_MAX
  - meson: Fix Windows build with PCRE2 as sibling subproject
  - Backport “gconstructor.h: Ensure [c|d]tor prototypes are present
    for MSVC” to glib-2-78
  - Backport “glocalfileinfo: Preserve microseconds for
    access/modify times” to glib-2-78
  - Backport “Make sure the `GTask` is freed on a graceful
    disconnect” to glib-2-78 (Pavel Sobolev)
  - Backport “Buffer needs to be aligned correctly to receive
    linux_dirent64.” to glib-2-78
  - Backport “gtestutils.h: Fix warning with -Wsign-conversion
    caused by g_assert_cmpint” to glib-2-78
  - Backport “tests: Drop unnecessary include from gsubprocess-
    testprog.c” to glib-2-78
  - Backport “wakeup: do single read when using eventfd()” to
    glib-2-78
  - Backport “wakeup: Fix g_wakeup_acknowledge if signal comes in”
    to glib-2-78
  - Backport “Use g_task_return in task threads” to glib-2-78
  - Backport “build: Fix -Dlibelf=disabled on Linux” to glib-2-78
  - Backport “gfileutils: Add a missing ftruncate() call when
    writing files” to glib-2-78

* Translation updates:
  - Catalan (Jordi Mas i Hernandez)
  - Chinese (China) (Boyuan Yang)
  - Czech (Daniel Rusek)
  - Esperanto (Kristjan SCHMIDT)
  - French (Alexandre Franke)
  - Georgian (Ekaterine Papava)
  - Italian (Milo Casagrande)
  - Latvian (Rūdolfs Mazurs)
  - Portuguese (Brazil) (Rafael Fontenelle)
  - Romanian (Daniel Șerbănescu)
  - Russian (Artur S0)
  - Slovenian (Matej Urbančič)
  - Spanish (Daniel Mustieles)
  - Turkish (Sabri Ünal)

(adam)