Merge branch 'alvin-master-patch-160b' into 'master'

Add note "builds dir must be mapped" for d-in-d workflow

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/148775



Merged-by: Russell Dickenson <rdickenson@gitlab.com>
Approved-by: Russell Dickenson <rdickenson@gitlab.com>
Co-authored-by: Alvin Gounder <agounder@gitlab.com>

doc/ci/testing/code_quality.md

@@ -107,6 +107,7 @@ Prerequisites:
 - GitLab CI/CD configuration (`.gitlab-ci.yml`) must include the `test` stage.
 - If you're using instance runners, the Code Quality job must be configured for the
   [Docker-in-Docker workflow](../docker/using_docker_build.md#use-docker-in-docker).
+  When using this workflow, the `/builds` volume must be mapped to allow reports to be saved.
 - If you're using private runners, you should use an
   [alternative configuration](#improve-code-quality-performance-with-private-runners)
   recommended for running Code Quality analysis more efficiently.