Add new release notes (#2207)

Author: bot-sdk-js

docs-java/release-notes/release-notes-30-to-44.mdx

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+## 0.43.0 - July 23, 2025
+
+[All Release Changes](https://github.com/SAP/cloud-sdk-java/releases/tag/rel%2F0.43.0)
+
+### 🐛 Fixed Issues
+
+- OData v2 and OData v4: Fixes eager HTTP response evaluation for _Create_, _Update_, and _Delete_ request builders in convenience APIs.
+  Previous change of `5.20.0` may have resulted in the HTTP connection being left open after the request was executed.