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

Author: Apify Release Bot

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 All notable changes to this project will be documented in this file.
 
+<!-- git-cliff-unreleased-start -->
+## 2.3.1 - **not yet released**
+
+### 🐛 Bug Fixes
+
+- Allow None value in &#x27;inputBodyLen&#x27; in ActorRunStats ([#413](https://github.com/apify/apify-sdk-python/pull/413)) ([1cf37f1](https://github.com/apify/apify-sdk-python/commit/1cf37f13f8db1313ac82276d13200af4aa2bf773)) by [@janbuchar](https://github.com/janbuchar)
+
+
+<!-- git-cliff-unreleased-end -->
 ## [2.3.0](https://github.com/apify/apify-sdk-python/releases/tag/v2.3.0) (2025-02-19)
 
 ### 🚀 Features

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "apify"
-version = "2.3.0"
+version = "2.3.1"
 description = "Apify SDK for Python"
 authors = [{ name = "Apify Technologies s.r.o.", email = "support@apify.com" }]
 license = { file = "LICENSE" }