Merge branch 'update-link-to-postgresql-versions-shipped-with-omnibus-gitlab' into 'master'

Update link to 'PostgreSQL versions shipped with Omnibus GitLab'

See merge request gitlab-org/gitlab!29668

doc/development/pipelines.md

@@ -151,15 +151,15 @@ request, be sure to start the `dont-interrupt-me` job before pushing.
 
 ## PostgreSQL versions testing
 
-We follow [the PostgreSQL versions Omnibus support policy](https://gitlab.com/groups/gitlab-org/-/epics/2184#proposal):
-
-|        | 12.10 (April 2020) | 13.0 (May 2020) | 13.1 (June 2020) | 13.2 (July 2020) | 13.3 (August 2020) | 13.4, 13.5   | 13.6 (November 2020) | 14.0 (May 2021?)     |
-| ------ | ------------------ | --------------- | ---------------- | ---------------- | ------------------ | ------------ | -------------------- | -------------------- |
-| PG9.6  | nightly            | -               | -                | -                | -                  | -            | -                    | -                    |
-| PG10   | `master`           | -               | -                | -                | -                  | -            | -                    | -                    |
-| PG11   | MRs/`master`       | MRs/`master`    | MRs/`master`     | MRs/`master`     | MRs/`master`       | MRs/`master` | nightly              | -                    |
-| PG12   | -                  | -               | -                | -                | `master`           | `master`     | MRs/`master`         | `master`             |
-| PG13   | -                  | -               | -                | -                | -                  | -            | -                    | MRs/`master`         |
+We follow the [PostgreSQL versions shipped with Omnibus GitLab](https://docs.gitlab.com/omnibus/package-information/postgresql_versions.html):
+
+|        | 12.10 (April 2020) | 13.0 (May 2020) | 13.1 (June 2020) | 13.2 (July 2020) | 13.3 (August 2020) | 13.4, 13.5   | 13.6 (November 2020) | 14.0 (May 2021?) |
+| ------ | ------------------ | --------------- | ---------------- | ---------------- | ------------------ | ------------ | -------------------- | ---------------- |
+| PG9.6  | nightly            | -               | -                | -                | -                  | -            | -                    | -                |
+| PG10   | `master`           | -               | -                | -                | -                  | -            | -                    | -                |
+| PG11   | MRs/`master`       | MRs/`master`    | MRs/`master`     | MRs/`master`     | MRs/`master`       | MRs/`master` | nightly              | -                |
+| PG12   | -                  | -               | -                | -                | `master`           | `master`     | MRs/`master`         | `master`         |
+| PG13   | -                  | -               | -                | -                | -                  | -            | -                    | MRs/`master`     |
 
 ## Directed acyclic graph