Java: Add release notes for release 5.19.0 (#2104)

* Add new release notes

* Update release notes spelling issues.

* typo

---------

Co-authored-by: Roshin Rajan Panackal <roshin.rajan.panackal@sap.com>

Author: bot-sdk-js

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

@@ -1,3 +1,16 @@
+## 5.19.0 - May 26, 2025
+
+[All Release Changes](https://github.com/SAP/cloud-sdk-java/releases/tag/rel%2F5.19.0)
+
+### 📈 Improvements
+
+- Improve the detection and masking of secrets when logging data to debug.
+
+### 🐛 Fixed Issues
+
+- Fix OData v2 error: Disable Validation in the absence of DOCTYPE
+- Fix OData v2/v4 error: Navigating `nextLink` in paginated result-set no longer results in duplicate query parameters.
+
 ## 5.18.0 - April 16, 2025
 
 [All Release Changes](https://github.com/SAP/cloud-sdk-java/releases/tag/rel%2F5.18.0)