docs: changelog

Author: burythehammer

CHANGELOG.md

@@ -2,7 +2,7 @@
 All notable changes to this project will be documented in this file.
 See updating [Changelog example here](https://keepachangelog.com/en/1.0.0/).
 
-## Unreleased
+## 0.43.0 (11th November 2025)
 
 ### Added:
 * Added `PersistentStorageEncryptionType` and `DeletionGracePeriod` fields to `Subscription` model for customer-managed key support