chore: update CHANGELOG.md

Author: jamieconnelly

CHANGELOG.md

@@ -4,6 +4,10 @@
 
 -   Add latest changes here
 
+## [v43.2.0-next.2](https://github.com/Multiverse-io/ckeditor5-math/compare/v43.2.0-next.1...v43.2.0-next.2) (2024-10-22)
+
+-   Update toolbar icon svg
+
 ## [v43.2.0-next.1](https://github.com/Multiverse-io/ckeditor5-math/compare/v43.2.0-next.0...v43.2.0-next.1) (2024-10-21)
 
 -   Fixes `CKEditorError: observable-set-cannot-override` error. See - https://ckeditor.com/docs/ckeditor5/latest/support/error-codes.html#error-observable-set-cannot-override