Update .gitlab-ci.yml file

4 jobs for master in 32 minutes and 35 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build Stage
failed mop #467193

00:28:53

failed pycas #467214

00:10:40

failed pycas #467194

00:10:02

 
  Deploy Stage
skipped pages #467195
 
Name Stage Failure
failed
pycas Build Stage
RuntimeError: 
===============================================================================

There was an error in building your book. Look above for the cause.

===============================================================================

Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
mop Build Stage
    assert self.km is not None
AssertionError
Error in atexit._run_exitfuncs:
Traceback (most recent call last):
File "/usr/local/lib/python3.8/site-packages/nbclient/client.py", line 346, in _async_cleanup_kernel
assert self.km is not None
AssertionError
Cleaning up file based variables
ERROR: Job failed: exit code 1