Add active state for pipelines settings on old nav

app/views/layouts/nav/_group.html.haml

@@ -25,7 +25,7 @@
         %span
           Members
     - if current_user && can?(current_user, :admin_group, @group)
-      = nav_link(path: %w[groups#projects groups#edit]) do
+      = nav_link(path: %w[groups#projects groups#edit ci_cd#show]) do
         = link_to edit_group_path(@group), title: 'Settings' do
           %span
             Settings