Fixes wrong link on Protected paths settings

Anchor link was changed on the documentation MR
https://gitlab.com/gitlab-org/gitlab/merge_requests/16540.

This MR fixes the link to use the correct one.

Related to https://gitlab.com/gitlab-org/gitlab/issues/29952

app/views/admin/application_settings/_protected_paths.html.haml

@@ -4,7 +4,7 @@
   %fieldset
     - if omnibus_protected_paths_throttle?
       .bs-callout.bs-callout-danger
-        - relative_url_link = 'https://docs.gitlab.com/ee/user/admin_area/settings/protected_paths.html#migrating-from-omnibus'
+        - relative_url_link = 'https://docs.gitlab.com/ee/user/admin_area/settings/protected_paths.html#migrate-settings-from-gitlab-123-and-earlier'
         - relative_url_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: relative_url_link }
         = _("Omnibus Protected Paths throttle is active. From 12.4, Omnibus throttle is deprecated and will be removed in a future release. Please read the %{relative_url_link_start}Migrating Protected Paths documentation%{relative_url_link_end}.").html_safe % { relative_url_link_start: relative_url_link_start, relative_url_link_end: '</a>'.html_safe }
 

changelogs/unreleased/mc-fixes-wrong-link-on-protected-paths-admin-ui.yml

+---
+title: Fixes wrong link on Protected paths admin settings
+merge_request: 17945
+author:
+type: other