Replace deprecated button

ee/app/assets/javascripts/licenses/components/license_cards_list.vue

 <script>
 import { mapState, mapGetters } from 'vuex';
-import { GlDeprecatedButton } from '@gitlab/ui';
+import { GlButton } from '@gitlab/ui';
 import { LicenseCard, SkeletonLicenseCard } from './cards';
 
 export default {
@@ -8,7 +8,7 @@ export default {
   components: {
     LicenseCard,
     SkeletonLicenseCard,
-    GlDeprecatedButton,
+    GlButton,
   },
   computed: {
     ...mapState(['licenses', 'isLoadingLicenses', 'newLicensePath']),
@@ -22,9 +22,9 @@ export default {
     <div class="d-flex justify-content-between align-items-center">
       <h4>{{ __('Instance license') }}</h4>
 
-      <gl-deprecated-button class="my-3 js-add-license" variant="success" :href="newLicensePath">
+      <gl-button class="my-3 js-add-license" variant="success" :href="newLicensePath">
         {{ __('Add license') }}
-      </gl-deprecated-button>
+      </gl-button>
     </div>
 
     <ul class="license-list list-unstyled">

ee/spec/frontend/licenses/components/__snapshots__/license_cards_list_spec.js.snap

@@ -9,16 +9,18 @@ exports[`InstanceCardsList renders a list of license cards 1`] = `
       Instance license
     </h4>
      
-    <gl-deprecated-button-stub
+    <gl-button-stub
+      category="primary"
       class="my-3 js-add-license"
       href="/newLicensePath"
-      size="md"
+      icon=""
+      size="medium"
       variant="success"
     >
       
       Add license
     
-    </gl-deprecated-button-stub>
+    </gl-button-stub>
   </div>
    
   <ul
@@ -48,16 +50,18 @@ exports[`InstanceCardsList renders a message when there are no licenses 1`] = `
       Instance license
     </h4>
      
-    <gl-deprecated-button-stub
+    <gl-button-stub
+      category="primary"
       class="my-3 js-add-license"
       href="/newLicensePath"
-      size="md"
+      icon=""
+      size="medium"
       variant="success"
     >
       
       Add license
     
-    </gl-deprecated-button-stub>
+    </gl-button-stub>
   </div>
    
   <ul
@@ -83,16 +87,18 @@ exports[`InstanceCardsList renders a skeleton loading card if loading licenses 1
       Instance license
     </h4>
      
-    <gl-deprecated-button-stub
+    <gl-button-stub
+      category="primary"
       class="my-3 js-add-license"
       href="/newLicensePath"
-      size="md"
+      icon=""
+      size="medium"
       variant="success"
     >
       
       Add license
     
-    </gl-deprecated-button-stub>
+    </gl-button-stub>
   </div>
    
   <ul