Migrate merge immediately dialog away from deprecated button

ee/app/assets/javascripts/vue_merge_request_widget/components/merge_immediately_confirmation_dialog.vue

 <script>
-import { GlModal, GlDeprecatedButton } from '@gitlab/ui';
+import { GlModal, GlButton } from '@gitlab/ui';
 import { escape } from 'lodash';
 import { __, sprintf } from '~/locale';
 
@@ -7,7 +7,7 @@ export default {
   name: 'MergeImmediatelyConfirmationDialog',
   components: {
     GlModal,
-    GlDeprecatedButton,
+    GlButton,
   },
   props: {
     docsUrl: {
@@ -61,14 +61,12 @@ export default {
     <p v-html="bodyText"></p>
     <p>{{ __('Are you sure you want to merge immediately?') }}</p>
     <template #modal-footer>
-      <gl-deprecated-button ref="cancelButton" @click="cancel">{{
-        __('Cancel')
-      }}</gl-deprecated-button>
-      <gl-deprecated-button
+      <gl-button ref="cancelButton" @click="cancel">{{ __('Cancel') }}</gl-button>
+      <gl-button
         variant="danger"
         data-qa-selector="merge_immediately_button"
         @click="mergeImmediately"
-        >{{ __('Merge immediately') }}</gl-deprecated-button
+        >{{ __('Merge immediately') }}</gl-button
       >
     </template>
   </gl-modal>

ee/changelogs/unreleased/eread-migrate-merge-immediately-dialog.yml

+---
+title: Migrate merge immediately dialog away from deprecated button
+merge_request: 39284
+author:
+type: other