Merge branch 'doc-audit-events-limited-to-30-days' into 'master'

Doc project events limited to 30 days

See merge request gitlab-org/gitlab!51343

doc/administration/audit_events.md

@@ -103,6 +103,8 @@ From there, you can see the following actions:
 
 Project events can also be accessed via the [Project Audit Events API](../api/audit_events.md#project-audit-events).
 
+Project event queries are limited to a maximum of 30 days.
+
 ### Instance events **(PREMIUM ONLY)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/2336) in [GitLab Premium](https://about.gitlab.com/pricing/) 9.3.