update changelog

docs/resources/changelog.md

@@ -8,7 +8,7 @@ New versions of Shoelace are released as-needed and generally occur when a criti
 
 _During the beta period, these restrictions may be relaxed in the event of a mission-critical bug._ 🐛
 
-## Next
+## 2.0.0-beta.81
 
 - 🚨 BREAKING: removed the `base` part from `<sl-menu>` and removed an unnecessary `<div>` that made styling more difficult
 - Added the `anchor` property to `<sl-popup>` to support external anchors