Log Message:
glib2: update to 2.56.2.

Overview of changes in GLib 2.56.2
==================================

* Support version 2 of the NetworkMonitor portal interface

* Bug fixes:
 740791 gio: cannot specify the source when joining a multicast group...
 755721 g_inotify_file_monitor_start called with nullpointer for dirn...
 773435 After g_get_home_dir() fails, a second use deadlocks
 793727 Use-after-free in emit_network_changed() of gnetworkmonitorba...
 794380 Build failure of gcocoanotificationbackend.c on OS X < 10.9
 794801 /network-monitor/add_networks fails if there is a proxy and g...
 795138 gobject build failure with gcc <= 4.7
 795234 Fix Jenkins CI build failures for network tests
 795406 Glib fails to build for Android
 795429 glib-genmarshal shows redundant "time" warning message agains...
 795711 gitlab-ci: update meson
 795735 Fix comparison for GVariant property values
 795802 gdbus-codegen doesn't accept --output-directory with --output...
 #1240 W32: g_get_system_data_dirs() works differently for C++ applic...
#1401 g_clear_handle_id: clear_func is nullable, despite documentatin...
#1452 GFileInfo: unable to retrieve correct modification time of link...
#1458 g_volume_get_mount returns NULL value after g_volume_mount_fini...

* Translation updates
 Russian
 Slovenian