Java: Add release notes for release 5.25.0 (#2336)

* Add new release notes

* Add suggestions

---------

Co-authored-by: Alexander Dümont <[email protected]>

Author: bot-sdk-js

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

@@ -1,3 +1,32 @@
+## 5.25.0 - December 22, 2025
+
+[All Release Changes](https://github.com/SAP/cloud-sdk-java/releases/tag/rel%2F5.25.0)
+
+### 🚧 Known Issues
+
+-
+
+### 🔧 Compatibility Notes
+
+-
+
+### ✨ New Functionality
+
+- Added native DestinationLoader implementation through the `TransparentProxy` class.
+  This enables seamless destination
+  retrieval via `tryGetDestination` and provides full SAP Cloud SDK integration for applications running in Kubernetes
+  environments where Transparent Proxy is available.
+
+### 📈 Improvements
+
+-
+
+### 🐛 Fixed Issues
+
+- Fix unintended modification of `serviceNameMappings.properties` during OData service regeneration altering stored
+  mappings.
+  Additionally, service name cleanup is now case-insensitive for consistency.
+
 ## 5.24.0 - October 30, 2025
 
 [All Release Changes](https://github.com/SAP/cloud-sdk-java/releases/tag/rel%2F5.24.0)