Update .gitlab-ci.yml

1 job from master in 2 minutes 26 seconds
Status Job ID Name Coverage
  Build
failed #43505204
build

02:26

 
Name Stage Failure
failed
build Build There is an unknown failure, please try again
$ commits=`git log -1 --pretty=format:"%H %P"`
$ git diff --name-only $commits > changed_files.txt
$ changed_dir=`python yenart/scripts/get_dir.py changed_files.txt`
$ echo $changed_dir

$ cd $changed_dir
$ make
make: *** No targets specified and no makefile found. Stop.
ERROR: Job failed: exit code 1