Updated gl-deprecated-button to gl-button

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/219815

app/assets/javascripts/vue_shared/components/user_avatar/user_avatar_list.vue

 <script>
-import { GlDeprecatedButton } from '@gitlab/ui';
+import { GlButton } from '@gitlab/ui';
 import { sprintf, __ } from '~/locale';
 import UserAvatarLink from './user_avatar_link.vue';
 
 export default {
   components: {
     UserAvatarLink,
-    GlDeprecatedButton,
+    GlButton,
   },
   props: {
     items: {
@@ -82,12 +82,12 @@ export default {
       :img-size="imgSize"
     />
     <template v-if="hasBreakpoint">
-      <gl-deprecated-button v-if="hasHiddenItems" variant="link" @click="expand">
+      <gl-button v-if="hasHiddenItems" variant="link" @click="expand">
         {{ expandText }}
-      </gl-deprecated-button>
-      <gl-deprecated-button v-else variant="link" @click="collapse">
+      </gl-button>
+      <gl-button v-else variant="link" @click="collapse">
         {{ __('show less') }}
-      </gl-deprecated-button>
+      </gl-button>
     </template>
   </div>
 </template>

spec/frontend/vue_shared/components/user_avatar/user_avatar_list_spec.js

 import { shallowMount } from '@vue/test-utils';
-import { GlDeprecatedButton } from '@gitlab/ui';
+import { GlButton } from '@gitlab/ui';
 import { TEST_HOST } from 'spec/test_constants';
 import UserAvatarList from '~/vue_shared/components/user_avatar/user_avatar_list.vue';
 import UserAvatarLink from '~/vue_shared/components/user_avatar/user_avatar_link.vue';
@@ -37,7 +37,7 @@ describe('UserAvatarList', () => {
   };
 
   const clickButton = () => {
-    const button = wrapper.find(GlDeprecatedButton);
+    const button = wrapper.find(GlButton);
     button.vm.$emit('click');
   };
 
@@ -112,7 +112,7 @@ describe('UserAvatarList', () => {
     it('does not show button', () => {
       factory();
 
-      expect(wrapper.find(GlDeprecatedButton).exists()).toBe(false);
+      expect(wrapper.find(GlButton).exists()).toBe(false);
     });
   });