www/gitlab-ce: major upgrade to 15.5.4
Changelog:
https://about.gitlab.com/releases/2022/10/22/gitlab-15-5-released/
https://about.gitlab.com/releases/2022/10/24/gitlab-15-5-1-released/
https://about.gitlab.com/releases/2022/11/02/security-release-gitlab-15-5-2-released/
https://about.gitlab.com/releases/2022/11/08/gitlab-15-5-3-released/
https://about.gitlab.com/releases/2022/11/14/gitlab-15-5-4-released/