Add gitlab-org/gitlab as reference for DB review

Includes gitlab-org/gitlab project as referendce for DB review

doc/development/database_review.md

@@ -78,7 +78,8 @@ and details for a database reviewer:
 - Format any queries with a SQL query formatter, for example with [sqlformat.darold.net](http://sqlformat.darold.net).
 - Consider providing query plans via a link to [explain.depesz.com](https://explain.depesz.com) or another tool instead of textual form.
 - For query changes, it is best to provide the SQL query along with a plan *before* and *after* the change. This helps to spot differences quickly.
-- When providing query plans, make sure to use good parameter values, so that the query executed is a good example and also hits enough data. Usually, the `gitlab-org` namespace (`namespace_id = 9970`) and the `gitlab-org/gitlab-foss` project (`project_id = 13083`) provides enough data to serve as a good example.
+- When providing query plans, make sure to use good parameter values, so that the query executed is a good example and also hits enough data.
+  - Usually, the `gitlab-org` namespace (`namespace_id = 9970`) and the `gitlab-org/gitlab-foss` (`project_id = 13083`) or the `gitlab-org/gitlab` (`project_id = 278964`) projects provide enough data to serve as a good example.
 
 ### How to review for database
 
@@ -121,7 +122,7 @@ and details for a database reviewer:
     pipeline](https://ops.gitlab.net/gitlab-com/gl-infra/gitlab-restore/postgres-gprd)
     in order to establish a proper testing environment.
 
-### Timing guidelines for migrations
+### Timing guidelines for migrations
 
 In general, migrations for a single deploy shouldn't take longer than
 1 hour for GitLab.com. The following guidelines are not hard rules, they were