* added api URL for simpler integration
* allow to request password change upon next login
* make ModifiedAt timesheet independent
* improved plugin api
* replace kernel calls with AutoconfigureTag and TaggedIterator attributes
* new translation keys (e.g. for days)
* support setting min and max date on date and daterange pickers
* allow to input password interactively in console
* added block to simplify overwriting export template parts
* prevent installation in PHP 8.1
* composer update
* phpunit version to 9
* support negative amounts in excel export
* added system configuration actions for calendar, weekly timesheet, users
* added method to render text with full markdown support
