update ci yaml

2 jobs for ci-docu in 12 seconds
Name Stage Failure
failed
documentation Generate
From https://git.rwth-aachen.de/acs/public/cim/cimpy
* [new ref] refs/pipelines/217305 -> refs/pipelines/217305
aca24b6..fb9e43e ci-docu -> origin/ci-docu
Checking out fb9e43e3 as ci-docu...

Skipping Git submodules setup
$ cd scripts && ./docu.sh
/usr/bin/bash: line 88: ./docu.sh: Permission denied
ERROR: Job failed: exit code 1