Update PostgreSQL version documentation

Relates https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/8234

doc/administration/package_information/postgresql_versions.md

@@ -29,8 +29,9 @@ The lowest supported PostgreSQL versions are listed in the
 Read more about update policies and warnings in the PostgreSQL
 [upgrade docs](https://docs.gitlab.com/omnibus/settings/database.html#upgrade-packaged-postgresql-server).
 
-| GitLab version | PostgreSQL versions | Default version for fresh installs | Default version for upgrades | Notes |
+| First GitLab version | PostgreSQL versions | Default version for fresh installs | Default version for upgrades | Notes |
 | -------------- | ------------------- | ---------------------------------- | ---------------------------- | ----- |
+| 16.4.3, 16.5.3, 16.6.1 | 13.12, 14.9 | 13.12 | 13.12 | |
 | 16.2.0 | 13.11, 14.8 | 13.11 | 13.11 | For upgrades, users can manually upgrade to 14.8 following the [upgrade documentation](https://docs.gitlab.com/omnibus/settings/database.html#gitlab-162-and-later). |
 | 16.0.2 | 13.11 | 13.11 | 13.11 | |
 | 16.0.0 | 13.8  | 13.8  | 13.8  | |