CVE-2025-3360: Fixed integer overflow and buffer underread
when parsing a very long and invalid ISO 8601 timestamp with
gdatetimenewfrom_iso8601 (bsc#1240897)
Non security issues:
Trigger glib2-tools postun trigger exit normally if
glib2-compile-schemas can't be run. Fixes error when uninstalling if
libgio is uninstalled first (bsc#1231463).