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

Author: Apify Release Bot

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 <!-- git-cliff-unreleased-start -->
 ## 3.0.1 - **not yet released**
 
+### 🐛 Bug Fixes
+
+- Also load input from a file with a .json extension in file system storage ([#617](https://github.com/apify/apify-sdk-python/pull/617)) ([b62804c](https://github.com/apify/apify-sdk-python/commit/b62804c170069cd7aa77572bb9682a156581cbac)) by [@janbuchar](https://github.com/janbuchar)
+
 
 <!-- git-cliff-unreleased-end -->
 ## [3.0.0](https://github.com/apify/apify-sdk-python/releases/tag/v3.0.0) (2025-09-29)