Fixed syntax error in .gitlab-ci.yml

2 jobs for gitlab-ci in 47 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
failed building #1

00:00:47

 
  Test
skipped testing #2
 
Name Stage Failure
failed
building Build
Reading state information...
Calculating upgrade...
The following packages will be upgraded:
base-files gpgv libsystemd0 libudev1 tzdata
5 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 1224 kB of archives.
After this operation, 1024 B of additional disk space will be used.
Do you want to continue? [Y/n] Abort.
ERROR: Job failed: exit code 1