chore(release): Update changelog and package version [skip ci]

Author: github-actions[bot]

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 <!-- git-cliff-unreleased-start -->
 ## 2.5.1 - **not yet released**
 
+### 🚀 Features
+
+- [**breaking**] Make HTTP client pluggable with abstract base classes ([#641](https://github.com/apify/apify-client-python/pull/641)) ([5ae33a0](https://github.com/apify/apify-client-python/commit/5ae33a0a801fdacd0c456a8630fea053f9df6550)) by [@vdusek](https://github.com/vdusek), closes [#416](https://github.com/apify/apify-client-python/issues/416)
+
 ### Refactor
 
 - [**breaking**] Introduce fully typed clients ([#604](https://github.com/apify/apify-client-python/pull/604)) ([81ee194](https://github.com/apify/apify-client-python/commit/81ee1943b400b49797868fe4dfa52d1662e09370)) by [@vdusek](https://github.com/vdusek), closes [#21](https://github.com/apify/apify-client-python/issues/21), [#481](https://github.com/apify/apify-client-python/issues/481)