Fix deploy job in backend pipeline

Related issues

Add skip test to deploy step in archive stage.

Acceptance criteria

• Implemented code changes don't diverge from the related issue.
• Only released versions of dependencies are used (i.e. no snapshot versions).
• Pipeline still works.
• GitLab issue is up-to-date.

Proposed squash commit message

Add skip test to deploy step in archive stage.

Add -DSkipTest to mvn deploy command.