Add version note for feature moved to core

doc/user/project/merge_requests/code_quality.md

@@ -7,7 +7,8 @@ type: reference, howto
 
 # Code Quality
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/1984) in [GitLab Starter](https://about.gitlab.com/pricing/) 9.3.
+> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/1984) in [GitLab Starter](https://about.gitlab.com/pricing/) 9.3.
+> - Made [available in all tiers](https://gitlab.com/gitlab-org/gitlab/-/issues/212499) in 13.2.
 
 Ensuring your project's code stays simple, readable and easy to contribute to can be problematic. With the help of [GitLab CI/CD](../../../ci/README.md), you can analyze your
 source code quality using GitLab Code Quality.