docs: CHANGELOG

Author: Paillat-dev

CHANGELOG.md

@@ -24,6 +24,8 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#3181](https://github.com/Pycord-Development/pycord/pull/3181))
 - Fixed internal use of deprecated \_PayloadLike dict operations.
   ([#3189](https://github.com/Pycord-Development/pycord/pull/3189))
+- Fixed incorrect type hints for `MessagePinIterator`.
+  ([#3178](https://github.com/Pycord-Development/pycord/pull/3178))
 
 ### Deprecated