Update code owner approval tooltip message

Issue: https://gitlab.com/gitlab-org/gitlab/-/issues/297428

changelogs/unreleased/297428-code-owner-optional-section.yml

+---
+title: Update code owner approval tooltip message
+merge_request: 55842
+author:
+type: changed

ee/app/views/projects/protected_branches/ee/_code_owner_approval_table_head.html.haml

@@ -2,6 +2,6 @@
   %th
     = s_("ProtectedBranch|Code owner approval")
     %span.sr-only
-      = "(" << s_("ProtectedBranch|Does not apply to users allowed to push.") << ")"
-    %span.has-tooltip{ data: { container: 'body' }, title: s_('ProtectedBranch|Does not apply to users allowed to push.'), 'aria-hidden': 'true' }
+      = "(" << s_("ProtectedBranch|Does not apply to users allowed to push. Optional sections are not enforced.") << ")"
+    %span.has-tooltip{ data: { container: 'body' }, title: s_('ProtectedBranch|Does not apply to users allowed to push. Optional sections are not enforced.'), 'aria-hidden': 'true' }
       = sprite_icon('question', size: 16, css_class: 'gl-text-gray-500')

locale/gitlab.pot

@@ -24467,7 +24467,7 @@ msgstr ""
 msgid "ProtectedBranch|Code owner approval"
 msgstr ""
 
-msgid "ProtectedBranch|Does not apply to users allowed to push."
+msgid "ProtectedBranch|Does not apply to users allowed to push. Optional sections are not enforced."
 msgstr ""
 
 msgid "ProtectedBranch|Protect"