Add Kotlin-sdk 0.4.0 to updates (modelcontextprotocol#219)

Author: e5l

development/updates.mdx

@@ -3,6 +3,14 @@ title: "What's New"
 description: 'The latest updates and improvements to MCP'
 ---
 
+<Update label="2025-03-26" description="Kotlin SDK 0.4.0 released">
+- Fix issues and cleanup API
+- Added binary compatibility tracking to avoid breaking changes
+- Drop jdk requirements to JDK8 
+- Added Claude Desktop integration with sample
+- The full changelog can be found here: https://github.com/modelcontextprotocol/kotlin-sdk/releases/tag/0.4.0
+</Update>
+
 <Update label="2025-03-26" description="Java SDK 0.8.1 released">
 - Version [0.8.1](https://github.com/modelcontextprotocol/java-sdk/releases/tag/v0.8.1) of the MCP Java SDK has been released,
     providing important bug fixes.