net-mgmt/icingaweb2-module-incubator: Update to 0.22.0

In 02bf6f32a982 icingaweb2-module-director was updated to 1.11.1.
Version 1.11.1 requires the incubator module to be at version 0.22.0
to work correctly.

PR: 277212
Approved by: portmgr (blanket, just fix it)
Fixes: 02bf6f32a982