1.30.6

Upgrade Kimai - Install Kimai - Docker

PHP Version compatibility:

• PHP 7.3 and PHP 7.4 are end-of-life and untested: upgrade to 8.1 now!
• PHP 8.0 and PHP 8.1 are supported

Fixed bugs

• Fixed Call to a member function getId() on null in ActivityService (e.g. used in importer plugin)

Involved in this release: @kevinpapst