Update .gitlab-ci.yml

1 job for master in 33 seconds (queued for 2 seconds)
Status Job ID Name Coverage
failed #624


Name Stage Failure
build Test
Hit:1 http://security-cdn.debian.org/debian-security stretch/updates InRelease
Ign:2 http://cdn-fastly.deb.debian.org/debian stretch InRelease
Hit:3 http://cdn-fastly.deb.debian.org/debian stretch-updates InRelease
Hit:4 http://cdn-fastly.deb.debian.org/debian stretch Release
Reading package lists...
E: The method driver /usr/lib/apt/methods/https could not be found.
E: Failed to fetch https://apt.repos.intel.com/mkl/dists/all/InRelease
E: Some index files failed to download. They have been ignored, or old ones used instead.
ERROR: Job failed: exit code 1