Merge branch 'nh/prefer-postgresql-14' into 'master'

Make PostgreSQL 14 as the default

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/127178



Merged-by: Matt Kasa <mkasa@gitlab.com>
Approved-by: Matt Kasa <mkasa@gitlab.com>
Approved-by: Evan Read <eread@gitlab.com>
Approved-by: Jennifer Li <jli@gitlab.com>
Co-authored-by: Nao Hashizume <nhashizume@gitlab.com>
Co-authored-by: Evan Read <eread@gitlab.com>