Replace the "Resolve discussion with a new issue" GlDeprecatedButton

app/assets/javascripts/notes/components/discussion_resolve_with_issue_button.vue

 <script>
-import { GlTooltipDirective, GlDeprecatedButton } from '@gitlab/ui';
-import Icon from '~/vue_shared/components/icon.vue';
+import { GlTooltipDirective, GlButton } from '@gitlab/ui';
 
 export default {
   name: 'ResolveWithIssueButton',
   components: {
-    Icon,
-    GlDeprecatedButton,
+    GlButton,
   },
   directives: {
     GlTooltip: GlTooltipDirective,
@@ -22,13 +20,12 @@ export default {
 
 <template>
   <div class="btn-group" role="group">
-    <gl-deprecated-button
+    <gl-button
       v-gl-tooltip
       :href="url"
       :title="s__('MergeRequests|Resolve this thread in a new issue')"
       class="new-issue-for-discussion discussion-create-issue-btn"
-    >
-      <icon name="issue-new" />
-    </gl-deprecated-button>
+      icon="issue-new"
+    />
   </div>
 </template>

spec/frontend/notes/components/discussion_resolve_with_issue_button_spec.js

-import { GlDeprecatedButton } from '@gitlab/ui';
+import { GlButton } from '@gitlab/ui';
 import { shallowMount, createLocalVue } from '@vue/test-utils';
 import { TEST_HOST } from 'spec/test_constants';
 import ResolveWithIssueButton from '~/notes/components/discussion_resolve_with_issue_button.vue';
@@ -23,7 +23,7 @@ describe('ResolveWithIssueButton', () => {
   });
 
   it('it should have a link with the provided link property as href', () => {
-    const button = wrapper.find(GlDeprecatedButton);
+    const button = wrapper.find(GlButton);
 
     expect(button.attributes().href).toBe(url);
   });