devel/glib20: update to 2.74.3

Changes: https://gitlab.gnome.org/GNOME/glib/-/releases/2.74.2
Changes: https://gitlab.gnome.org/GNOME/glib/-/releases/2.74.3
Reported by: GitLab (notify releases)

(cherry picked from commit 27fe5eff9577814a26a634c83a9f9859d2eaf6e8)
(cherry picked from commit 4b211242030e4160d54bd302770c253c5392d2ee)
(cherry picked from commit dbd70861df41b0373917d4ece75676bd35f76eef)