KDE: Update KDE Gear to 21.12.2 (bug fix release)

Thursday, 3 February 2022

Over 120 individual programs plus dozens of programmer libraries and
feature plugins are released simultaneously as part of KDE Gear.

Today they all get new bugfix source releases with updated translations.

Full changelog:
	https://kde.org/announcements/changelogs/gear/21.12.2/