Update GitLab to the 17.6.0 Minor Feature Release

Adds the GitLab 17.6.0 Feature Release.

This is a regular monthly feature release of GitLab.

More information can be found at https://about.gitlab.com/releases/

assigned to @dmakovey

restored source branch release-gitlab-17-6-0

mentioned in issue #14 (closed)

merged

mentioned in commit 23d83989