Merge branch 'btn-confirm-emails' into 'master'

Move to btn-confirm from btn-success in emails directory

See merge request gitlab-org/gitlab!58029

changelogs/unreleased/btn-confirm-emails.yml

+---
+title: Move to btn-confirm from btn-success in emails directory
+merge_request: 58029
+author: Yogi (@yo)
+type: changed

ee/app/views/admin/emails/show.html.haml

@@ -26,4 +26,4 @@
     .col-sm-10
       = admin_email_select_tag(:recipients)
   .form-actions
-    = submit_tag _('Send message'), class: 'gl-button btn btn-success', disabled: admin_emails_are_currently_rate_limited?
+    = submit_tag _('Send message'), class: 'gl-button btn btn-confirm', disabled: admin_emails_are_currently_rate_limited?