Updated changelog

Author: AKuederle

CHANGELOG.md

@@ -8,6 +8,11 @@ For more information see the
 [Github Releases Page](https://github.com/mad-lab-fau/gaitmap/releases) of this 
 project.
 
+## [2.6.0] - Unreleased
+
+- Dataset checks can now optionally check magnetometer data
+- Dataset rotations can now rotate magnetometer data
+
 ## [2.5.2] - 2025-01-19
 
 - Removed scipy deprecation of `cumtrapz` function (https://github.com/mad-lab-fau/gaitmap/pull/71)