KDE Gear 21.12 release branches created

[Heiko Becker]

Please make sure you commit anything you want to end up in the 21.12 
releases to them.

We're already past the dependency freeze, so no new dependencies or 
increasing of dependency versions in the stable branches.

The feature freeze, tagging and release of the beta (21.11.80) is in four 
days,11 November.

Next interesting dates:
  November 25: 21.12 RC (21.11.90) Tagging and Release
  December  2: 21.12 Tagging
  December  9: 21.12 Release

Complete Schedule:
https://community.kde.org/Schedules/KDE_Gear_21.12_Schedule

Regards,
Heiko