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/v3/components/Form/Select.vue

@@ -42,6 +42,7 @@ export default {
       default: '',
     },
   },
+  emits: ['input'],
   methods: {
     onInput(e) {
       this.$emit('input', e.target.value);