- update to 2.8.0~rc1
* fixed exceptions with MySQL 8 #3740
* fixed support for PHP 7.4 #4009
* Filter: more/less than doesn't seem to working #3974
* Search object followed by a space finds no results #4002
* Prohibit access to contacts and contactgroups #3973
* Allow to forbid password changes on specific user accounts #3286
* External logout not working from the navigation dashboard #3995
* Username with extraneous spaces are not invalid #4030
- use /usr/share/bash-completion/completions/ instead of
/etc/bash_completion.d/ for icingacli