glib2 glib2-tools gdbus-codegen: updated to 2.70.4

Overview of changes in GLib 2.70.4
==================================

* Bugs fixed:
- Backport !2461 ���Fix memory leak in gio/gdbusauthmechanismsha1.c��� to glib-2-70

* Translation updates:
- Czech
- French
- Indonesian
- Japanese
- Polish
- Portuguese (Brazil)
- Russian
- Slovenian
- Spanish
- Swedish
- Ukrainian

Overview of changes in GLib 2.70.3
==================================

* Several important fixes to FD handling in gspawn

* Several important fixes to GDBus message and GVariant parsing of invalid data

* Fix potential data loss due to missing fsync when saving files on btrfs

* Bugs fixed:
- gspawn.c may clobber target fds
- gspawn.c fails to close child_err_report_fd if it is duped to avoid conflation with one of the target_fds
- Arrays of zero-element tuples with non-zero length lead to infinite loops in g_dbus_message_new_from_blob
- Check for GVariant recursion depth before recursing
- gspawn doesn't set CLOEXEC if close_range fails unexpectedly
- Backport !1968 ���gspawn: Fix file descriptor conflation issues��� to glib-2-70
- Backport !2412 ���paramspec: fix unref annotation��� to glib-2-70
- Backport !2425 ���gfileutils: Remove outdated BTRFS fsync optimization from set_contents��� to glib-2-70
- Backport !2435 ���gspawn: Report errors with closing file descriptors between fork/exec��� to glib-2-70
- Backport !2454 gdbusmessage and gvariant fixes to glib-2-70

* Translation updates:
- Czech
- Indonesian
- Italian
- Lithuanian
- Polish
- Portuguese
- Romanian
- Serbian
- Slovenian
- Spanish
- Swedish
- Turkish
- Ukrainian

(adam)