Merge branch 'fix-pg-requirements-information' into 'master'

[Docs] Remove incorrect minimum PostgreSQL version info

See merge request gitlab-org/gitlab!42664

doc/install/requirements.md

@@ -140,7 +140,6 @@ We highly recommend users to use the minimum PostgreSQL versions specified below
 GitLab version | Minimum PostgreSQL version
 -|-
 10.0 | 9.6
-12.10 | 11
 13.0 | 11
 
 You must also ensure the `pg_trgm` and `btree_gist` extensions are [loaded into every