Update changelog

CHANGELOG.md

@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Removed the activities import limit for users with a subscription
+
+### Todo
+
+- Rename the environment variable from `MAX_ORDERS_TO_IMPORT` to `MAX_ACTIVITIES_TO_IMPORT`
+
 ## 1.169.0 - 14.07.2022
 
 ### Added