Update .gitlab-ci.yml

1 job for master in 29 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
failed #622
build

00:00:29

 
Name Stage Failure
failed
build Test
Saving to: 'GPG-PUB-KEY-INTEL-SW-PRODUCTS-2019.PUB'

0K 100% 42.2M=0s

2019-04-12 12:21:31 (42.2 MB/s) - 'GPG-PUB-KEY-INTEL-SW-PRODUCTS-2019.PUB' saved [975/975]

$ apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS-2019.PUB
E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
ERROR: Job failed: exit code 1