feat: remove usage of .sync and define explicitly emits (#10209)

References

- https://v3-migration.vuejs.org/breaking-changes/v-model
-
https://v3-migration.vuejs.org/breaking-changes/v-on-native-modifier-removed.html

app/javascript/shared/components/ui/label/LabelDropdown.vue

@@ -170,7 +170,7 @@ export default {
           </woot-button>
 
           <woot-modal
-            :show.sync="createModalVisible"
+            v-model:show="createModalVisible"
             :on-close="hideCreateModal"
           >
             <AddLabelModal