Merge branch...

Merge branch '31421-docs-setting-default-expiration-does-not-affect-previously-created-artifacts' into 'master'

docs: setting default expiration does not affect previously-created artifacts

Closes #31421

See merge request gitlab-org/gitlab!22435

doc/user/admin_area/settings/continuous_integration.md

@@ -78,6 +78,12 @@ This setting is set per job and can be overridden in
 [`.gitlab-ci.yml`](../../../ci/yaml/README.md#artifactsexpire_in).
 To disable the expiration, set it to `0`. The default unit is in seconds.
 
+NOTE: **Note**
+Any changes to this setting will apply to new artifacts only. The expiration time will not
+be updated for artifacts created before this setting was changed.
+The administrator may need to manually search for and expire previously-created
+artifacts, as described in the [troubleshooting documentation](../../../administration/troubleshooting/gitlab_rails_cheat_sheet.md#remove-artifacts-more-than-a-week-old).
+
 ## Shared Runners pipeline minutes quota **(STARTER ONLY)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/merge_requests/1078)