Update outdated epic link

doc/user/group/saml_sso/group_managed_accounts.md

@@ -9,9 +9,8 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 
 WARNING:
 This [Closed Beta](https://about.gitlab.com/handbook/product/gitlab-the-product/#sts=Closed%20Beta) feature is being re-evaluated in favor of a different
-[identity model](https://gitlab.com/groups/gitlab-org/-/epics/4345) that does not require separate accounts.
-We recommend that group owners who haven't yet implemented this feature wait for
-the new solution.
+[approach](https://gitlab.com/groups/gitlab-org/-/epics/4786) that aligns more closely with our [Subscription Agreement](https://about.gitlab.com/handbook/legal/subscription-agreement/).
+We recommend that group owners who haven't yet implemented this feature wait for the new solution.
 
 > - [Introduced](https://gitlab.com/groups/gitlab-org/-/epics/709) in GitLab 12.1.
 > - It's deployed behind a feature flag, disabled by default.