Update .gitlab-ci.yml

3 jobs from develop in 9 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #92
print
auto_test

00:00

failed #93
print
sonar_preview

00:09

failed #91
print
sonar_preview

00:07

 
INFO: Total time: 8.570s
INFO: Final Memory: 5M/24M
INFO: ------------------------------------------------------------------------
ERROR: Error during SonarQube Scanner execution
ERROR: Failed to execute project builder: com.talanlabs.sonar.plugins.gitlab.CommitProjectBuilder
ERROR: Caused by: The GitLab plugin is only intended to be used in preview or issues mode. Please set 'sonar.analysis.mode'.
ERROR:
ERROR: Re-run SonarQube Scanner using the -X switch to enable full debug logging.
ERROR: Job failed: exit status 1