KDE: Update KDE Gear to 21.08.2

Thursday, 7 October 2021

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,
including:

   * kmail: Fix an infinite SSL error dialog loop
   * konqueror: Make it compatible with KIO 5.86.0 and don’t open every
     URL in a new window
   * libksane: Fix multi page detection with certain scanners

Full announcement:
	https://kde.org/announcements/gear/21.08.2/