2.2.1-ls20

LinuxServer Changes:

Important documentation update for setting DATABASE_URL with version 2.0.30 and later.

kimai Changes:

Upgrade Kimai - Install Kimai - Docker

Compatible with PHP 8.1 and 8.2

Fixed bugs

• Added missing functions to invoice security policy (#4389)

Involved in this release: @kevinpapst - thank you!