update changelog

Author: SteffenDE

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog for v1.1
 
+## v1.1.0
+
+### Enhancements
+
+* Normalize whitespace in LiveViewTest's text filters ([#3621](https://github.com/phoenixframework/phoenix_live_view/pull/3621))
+* Raise by default when LiveViewTest detects duplicate DOM or LiveComponent IDs. This can be changed by passing `on_error` to `Phoenix.LiveViewTest.live/3` / `Phoenix.LiveViewTest.live_isolated/3`
+
 ## v1.0
 
 The CHANGELOG for v1.0 and earlier releases can be found in the [v1.0 branch](https://github.com/phoenixframework/phoenix_live_view/blob/v1.0/CHANGELOG.md).