Move to btn-confirm from btn-success in admin/broadcast_messages directory

app/views/admin/broadcast_messages/_form.html.haml

@@ -77,6 +77,6 @@
       = f.datetime_select :ends_at, {}, class: 'form-control form-control-inline'
   .form-actions
     - if @broadcast_message.persisted?
-      = f.submit "Update broadcast message", class: "btn gl-button btn-success"
+      = f.submit "Update broadcast message", class: "btn gl-button btn-confirm"
     - else
-      = f.submit "Add broadcast message", class: "btn gl-button btn-success"
+      = f.submit "Add broadcast message", class: "btn gl-button btn-confirm"

changelogs/unreleased/btn-confirm-admin-broadcast-messages.yml

+---
+title: Move to btn-confirm from btn-success in admin/broadcast_messages directory
+merge_request: 55266
+author: Yogi (@yo)
+type: changed