docs: changelog

Author: burythehammer

CHANGELOG.md

@@ -2,6 +2,13 @@
 All notable changes to this project will be documented in this file.
 See updating [Changelog example here](https://keepachangelog.com/en/1.0.0/).
 
+## 0.27.0
+
+* Splitting Fixed Subscription structs into response and request structs, as JSON fields differ between the two uses.
+
+## 0.26.0
+
+* Fixes to the AA regions endpoint: removing the unfilled RegionId field and correcting the JSON for the DeploymentCidr field.
 
 ## 0.25.0