Replace deprecated button on status page

- per the pajamas conversion, update status page to use new button

ee/app/assets/javascripts/status_page_settings/components/settings_form.vue

 <script>
 import { mapActions, mapState } from 'vuex';
 import {
-  GlDeprecatedButton as GlButton,
+  GlButton,
   GlSprintf,
   GlLink,
   GlIcon,
@@ -185,6 +185,7 @@ export default {
             ref="submitBtn"
             :disabled="loading"
             variant="success"
+            category="primary"
             type="submit"
             class="js-no-auto-disable"
           >

ee/changelogs/unreleased/219827-update-deprecated-button-status-page.yml

+---
+title: Replace deprecated button on status page
+merge_request: 41012
+author:
+type: other

ee/spec/frontend/status_page_settings/__snapshots__/settings_form_spec.js.snap

@@ -17,9 +17,11 @@ exports[`Status Page settings form default state should match the default snapsh
     </h4>
      
     <gl-button-stub
+      category="primary"
       class="js-settings-toggle"
-      size="md"
-      variant="secondary"
+      icon=""
+      size="medium"
+      variant="default"
     >
       Expand
     </gl-button-stub>
@@ -146,8 +148,10 @@ exports[`Status Page settings form default state should match the default snapsh
         class="gl-display-flex gl-justify-content-end"
       >
         <gl-button-stub
+          category="primary"
           class="js-no-auto-disable"
-          size="md"
+          icon=""
+          size="medium"
           type="submit"
           variant="success"
         >