Update CHANGELOG

Author: bouwew

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - New Feature: For Adam, implement limited access to the gateway-modes.
 - Refresh adam_plus_anna_new userdata and adapt.
+- Bump actions and requirements to Python 3.12, where possible.
 - Ruff as per #470 (defaulting black and isort to ruff).
 - Modularize/split testing, including separation of code and data.
 - Improve quality as indicated by SonarCloud.