Update gldeprecatedbutton to glbutton

- in selection_summary_vuex.vue

ee/app/assets/javascripts/security_dashboard/components/selection_summary_vuex.vue

 <script>
 import { mapActions, mapGetters } from 'vuex';
-import { GlDeprecatedButton, GlFormSelect } from '@gitlab/ui';
+import { GlButton, GlFormSelect } from '@gitlab/ui';
 import { __, n__ } from '~/locale';
 
 const REASON_NONE = __('[No reason]');
@@ -10,7 +10,7 @@ const REASON_FALSE_POSITIVE = __('False positive');
 export default {
   name: 'SelectionSummary',
   components: {
-    GlDeprecatedButton,
+    GlButton,
     GlFormSelect,
   },
   data: () => ({
@@ -61,9 +61,14 @@ export default {
         class="mx-3 w-auto"
         :options="$options.dismissalReasons"
       />
-      <gl-deprecated-button type="submit" variant="close" :disabled="!canDismissVulnerability">{{
-        __('Dismiss Selected')
-      }}</gl-deprecated-button>
+      <gl-button
+        type="submit"
+        category="secondary"
+        variant="warning"
+        :disabled="!canDismissVulnerability"
+      >
+        {{ __('Dismiss selected') }}
+      </gl-button>
     </form>
   </div>
 </template>

ee/changelogs/unreleased/219893-remove-deprecated-button.yml

+---
+title: Update Dismiss selected button on security dashboard
+merge_request: 43207
+author:
+type: changed

locale/gitlab.pot

@@ -9066,10 +9066,10 @@ msgstr ""
 msgid "Dismiss Merge Request promotion"
 msgstr ""
 
-msgid "Dismiss Selected"
+msgid "Dismiss Value Stream Analytics introduction box"
 msgstr ""
 
-msgid "Dismiss Value Stream Analytics introduction box"
+msgid "Dismiss selected"
 msgstr ""
 
 msgid "Dismiss trial promotion"