Docs: Update CHANGELOG for _get rename and 204 fix

Author: Chocapikk

CHANGELOG.md

@@ -19,13 +19,18 @@ and this project adheres to
 
 ### Changed
 
+- Rename `__get` to `_get` in sync Client for uniform API with AsyncClient ([1126bd2])
 - Updated l9format requirement from =1.3.2 to =1.4.0 ([ae676d9])
 - Updated l9format requirement from =1.4.0 to =2.0.0 ([df916e5], [#68])
 
 ### Added
 
 - Add Python 3.11, 3.12, and 3.14 support ([d111628])
 
+### Fixed
+
+- Return `SuccessResponse` for HTTP 204 No Content instead of `ErrorResponse` ([3d2cf4e])
+
 ### Removed
 
 - Removed dependency on serde (unmaintained), replaced with dataclasses
@@ -75,6 +80,8 @@ and this project adheres to
 [0.1.9]: https://github.com/LeakIX/LeakIXClient-Python/releases/tag/v0.1.9
 
 <!-- Commit links -->
+[1126bd2]: https://github.com/LeakIX/LeakIXClient-Python/commit/1126bd2
+[3d2cf4e]: https://github.com/LeakIX/LeakIXClient-Python/commit/3d2cf4e
 [cfa8b6c]: https://github.com/LeakIX/LeakIXClient-Python/commit/cfa8b6c
 [6b9a3db]: https://github.com/LeakIX/LeakIXClient-Python/commit/6b9a3db
 [d111628]: https://github.com/LeakIX/LeakIXClient-Python/commit/d111628