Resolve "Help users find our contributing page"

app/assets/stylesheets/framework/header.scss

@@ -527,7 +527,7 @@
 .header-user {
   .dropdown-menu {
     width: auto;
-    min-width: 160px;
+    min-width: unset;
     margin-top: 4px;
     color: $gl-text-color;
     left: auto;

app/views/layouts/header/_current_user_dropdown.html.haml

@@ -17,6 +17,11 @@
       = link_to _("Help"), help_path
   - if current_user_menu?(:help) || current_user_menu?(:settings) || current_user_menu?(:profile)
     %li.divider
+  %li
+    = link_to "https://about.gitlab.com/contributing", target: '_blank', class: 'text-nowrap' do
+      = _("Contribute to GitLab")
+      = icon('external-link')
+  %li.divider
   - if current_user_menu?(:sign_out)
     %li
       = link_to _("Sign out"), destroy_user_session_path, class: "sign-out-link"

changelogs/unreleased/47274-help-users-find-our-contributing-page.yml

+---
+title: Add a link to the contributing page in the user dropdown
+merge_request: 19708
+author:
+type: added