Updated changelog. (Azure#2581)

* Updated changelog

Author: LarryOsterman

sdk/core/azure_core_amqp/CHANGELOG.md

@@ -1,15 +1,11 @@
 # Release History
 
-## 0.4.0 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+## 0.3.1 (2025-05-08)
 
 ### Other Changes
 
+- Added `From<&AmqpValue>` converters for fundamental types.
+
 ## 0.3.0 (2025-05-02)
 
 ### Other Changes