Merge branch 'patch-30' into 'master'

Explains what stage the Code Quality template job is using

Closes #33410

See merge request gitlab-org/gitlab!18117

doc/user/project/merge_requests/code_quality.md

@@ -66,6 +66,13 @@ will scan your source code for code quality issues. The report will be saved as
 that you can later download and analyze. Due to implementation limitations we always
 take the latest Code Quality artifact available.
 
+The included `code_quality` job is running in the `test` stage, so it needs to be included in your CI config, like so:
+
+```yaml
+stages:
+  - test
+```
+
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