Apply GitLab UI button styles to buttons in ee/app/views/projects/settings/ci_cd directory

ee/app/views/projects/settings/ci_cd/_pipeline_subscriptions.html.haml

@@ -4,7 +4,7 @@
   .settings-header
     %h4
       = _("Pipeline subscriptions")
-    %button.btn.js-settings-toggle{ type: 'button' }
+    %button.btn.gl-button.js-settings-toggle{ type: 'button' }
       = expanded ? _('Collapse') : _('Expand')
     %p
       = _("Set up pipeline subscriptions for this project.")

ee/app/views/projects/settings/ci_cd/_protected_environments.html.haml

@@ -6,7 +6,7 @@
     .settings-header
       %h4
         = _('Protected Environments')
-      %button.btn.js-settings-toggle{ type: 'button' }
+      %button.btn.gl-button.js-settings-toggle{ type: 'button' }
         = expanded ? _('Collapse') : _('Expand')
       %p
         = s_('ProtectedEnvironment|Protecting an environment restricts the users who can execute deployments.')

ee/changelogs/unreleased/231117-apply-gl-button-to-ee-app-views-projects-settings-ci_cd-directo.yml

+---
+title: Apply GitLab UI button styles in ee/app/views/projects/settings/ci_cd directory
+merge_request: 43335
+author: Justin Zeng @jzeng88
+type: other