Add padding to left of "Sort by" in members dropdown

app/views/shared/members/_sort_dropdown.html.haml

-= label_tag :sort_by, 'Sort by', class: 'col-form-label label-bold pr-2'
+= label_tag :sort_by, 'Sort by', class: 'col-form-label label-bold px-2'
 .dropdown.inline.qa-user-sort-dropdown
   = dropdown_toggle(member_sort_options_hash[@sort], { toggle: 'dropdown' })
   %ul.dropdown-menu.dropdown-menu-right.dropdown-menu-selectable

changelogs/unreleased/sh-add-margin-member-list.yml

+---
+title: Add padding to left of "Sort by" in members dropdown
+merge_request: 32602
+author:
+type: other