Update .gitlab-ci.yml

2 jobs for master
Status Job ID Name Coverage
  Test
failed #2076
py37

00:00:45

canceled #2075
py37

 
Name Stage Failure
failed
py37 Test
copying mgpro.egg-info/requires.txt -> mgpro-0.1.2/mgpro.egg-info
copying mgpro.egg-info/top_level.txt -> mgpro-0.1.2/mgpro.egg-info
Writing mgpro-0.1.2/setup.cfg
creating dist
Creating tar archive
removing 'mgpro-0.1.2' (and everything under it)
$ twine upload dist/*
/bin/bash: line 95: twine: command not found
ERROR: Job failed: exit code 1