Bugfix release for 2022.6 "Cohn" This bugfix release udpates the following apps to their newest patch releases: * Core → 2.10.2 * Alsijil → 2.1.1 * Chronos → 2.4.1 * Untis → 2.3.2 * Stoelindeling → 1.0.1 The notable fixes include: * Better display of error messages in background tasks, like CSV import * Automatic clean up of expired OAuth tokens for performance reasons * Permissions for handling seating plans by non-group-teachers * Improvements for Untis import handling