Merge branch 'renovate/gitlab-uisvg' into 'main'

Update dependency @gitlab/ui to v123.6.0

See merge request !1389



Merged-by: Pearl Latteier <platteier@gitlab.com>
Approved-by: Pearl Latteier <platteier@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>