Java: Add release notes for release 5.23.0 (#2266)

* Add new release notes

* linting

---------

Co-authored-by: Roshin Rajan Panackal <[email protected]>

Author: bot-sdk-js

docs-java/release-notes/release-notes-15-to-29.mdx

@@ -1,3 +1,17 @@
+## 5.23.0 - October 08, 2025
+
+[All Release Changes](https://github.com/SAP/cloud-sdk-java/releases/tag/rel%2F5.23.0)
+
+### 🔧 Compatibility Notes
+
+- The builder methods for `TransparentProxyDestination` have been renamed:
+  - `staticDestination()` to `destination()`
+  - `dynamicDestination()` to `gateway()`
+
+### 📈 Improvements
+
+- Circuit breaker exceptions `CallNotPermittedException` have been replaced in favor of the previously thrown exception to provide more context on the failure.
+
 ## 5.22.0 - August 29, 2025
 
 [All Release Changes](https://github.com/SAP/cloud-sdk-java/releases/tag/rel%2F5.22.0)