Merge branch 'renovate/gitlab-16.x' into 'master'

automation: Update gitlab Docker tag to v16.4.0

See merge request saibotk.de/infrastructure!1080

roles/gitlab/defaults/main.yml

@@ -38,7 +38,7 @@ gitlab_registry_domain: registry.gitlab.example.com
 
 # The Gitlab version, usually you don't need to adjust this for a host.
 # renovate: depName=gitlab/gitlab-ce
-gitlab_version: 16.3.4-ce.0
+gitlab_version: 16.4.0-ce.0
 
 # renovate: depName=docker.io/library/telegraf
 gitlab_telegraf_version: "1.26"