Merge branch 'docs-alert-boxes-4' into 'master'

doc/.vale/gitlab/AlertBoxStyle.yml

doc/administration/auth/jwt.md

doc/administration/auth/ldap/google_secure_ldap.md

...dministration/geo/disaster_recovery/bring_primary_back.md

doc/administration/geo/replication/database.md

doc/administration/geo/replication/external_database.md

doc/administration/geo/replication/multiple_servers.md

doc/administration/geo/replication/troubleshooting.md

doc/administration/geo/replication/updating_the_geo_nodes.md

doc/administration/gitaly/praefect.md

doc/administration/high_availability/gitlab.md

doc/administration/high_availability/nfs.md

doc/administration/high_availability/sidekiq.md

doc/administration/instance_limits.md

doc/administration/integration/plantuml.md

doc/administration/integration/terminal.md

doc/administration/job_artifacts.md

doc/administration/job_logs.md

doc/administration/lfs/index.md

doc/administration/logs.md