fix(lib): Tag type did not accept object (buefy#3911)

- Fixes the issue that `Tag` did not accept objects as its `type`
  while objects actually work. Adds `Object` to acceptable types of
  `type`.

issue buefy#3887

packages/buefy-next/src/components/tag/Tag.vue

@@ -74,7 +74,7 @@ export default {
     props: {
         attached: Boolean,
         closable: Boolean,
-        type: String,
+        type: [String, Object],
         size: String,
         rounded: Boolean,
         disabled: Boolean,