Update changelog

Author: pvdrz

CHANGELOG.md

@@ -60,6 +60,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Removed
 
 - `Vec::storage_capacity` has been removed and `Vec::capacity` must be used instead.
+- Removed `sorted_linked_list::Iter` and `sorted_linked_list::IterInner`.
+- Removed `sorted_linked_list::FindMut` and `sorted_linked_list::FindMutInner`.
 
 ## [v0.8.0] - 2023-11-07