update changelog

docs/resources/changelog.md

@@ -10,6 +10,7 @@ _During the beta period, these restrictions may be relaxed in the event of a mis
 
 - Fixed a bug that caused an error when pressing up/down in `<sl-select>`
 - Fixed a bug that prevented the first/last menu item from receiving focus when pressing up/down in `<sl-dropdown>`
+- Fixed a bug that caused the active tab indicator in `<sl-tab-group>` to render incorrectly when used inside an element that animates [#671](https://github.com/shoelace-style/shoelace/pull/671)
 
 ## 2.0.0-beta.68