Update changelog

docs/getting-started/changelog.md

@@ -8,6 +8,8 @@ _During the beta period, these restrictions may be relaxed in the event of a mis
 
 ## Next
 
+- Added `sl-format-date` component
+- Added `indeterminate` state to `sl-progress-bar` [#274](https://github.com/shoelace-style/shoelace/issues/274)
 - Fixed a bug where `sl-menu-item` color variable was incorrect [#272](https://github.com/shoelace-style/shoelace/issues/272)
 - Fixed a bug where `sl-dialog` and `sl-drawer` would emit the `sl-hide` event twice [#275](https://github.com/shoelace-style/shoelace/issues/275)