Updating changelog

Author: mattgperry

CHANGELOG.md

@@ -4,6 +4,12 @@ Framer Motion adheres to [Semantic Versioning](http://semver.org/).
 
 Undocumented APIs should be considered internal and may change without warning.
 
+## [11.1.9] 2024-05-07
+
+### Changed
+
+-   Reinstating async event handlers to fix issues with user code and Suspence within Framer.
+
 ## [11.1.8] 2024-05-06
 
 ### Fixed