Merge branch 'Akanoa-master-patch-72055' into 'master'

doc: Warn for support drop of postgresql 11 in version 14.0

See merge request gitlab-org/gitlab!64763

doc/update/index.md

@@ -371,13 +371,14 @@ and [Helm Chart deployments](https://docs.gitlab.com/charts/). They come with ap
 
 ### 14.0.0
 
-In GitLab 13.3 some [pipeline processing methods were deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/218536)
-and this code was completely removed in GitLab 14.0. If you plan to upgrade from
-**GitLab 13.2 or older** directly to 14.0, you should not have any pipelines running
-when you upgrade. The pipelines might report the wrong status when the upgrade completes.
-You should shut down GitLab and wait for all pipelines on runners to complete, then upgrade
-GitLab to 14.0. Alternatively, you can first upgrade GitLab to a version between 13.3 and
-13.12, then upgrade to 14.0.
+- In GitLab 13.3 some [pipeline processing methods were deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/218536)
+  and this code was completely removed in GitLab 14.0. If you plan to upgrade from
+  **GitLab 13.2 or older** directly to 14.0, you should not have any pipelines running
+  when you upgrade. The pipelines might report the wrong status when the upgrade completes.
+  You should shut down GitLab and wait for all pipelines on runners to complete, then upgrade
+  GitLab to 14.0. Alternatively, you can first upgrade GitLab to a version between 13.3 and
+  13.12, then upgrade to 14.0.
+- The support of PostgreSQL 11 [has been dropped](../install/requirements.md#database). Make sure to [update your database](https://docs.gitlab.com/omnibus/settings/database.html#upgrade-packaged-postgresql-server) to version 12 before updating to GitLab 14.0.
 
 ### 13.11.0