docs: adds changelog entry for OAI 3.1 support

Signed-off-by: Vincent Biret <[email protected]>

CHANGELOG.md

@@ -11,6 +11,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Added support for OpenAPI 3.1. [#3914](https://github.com/microsoft/kiota/issues/3914)
+
 ### Changed
 
 - Fixed mapping of Binary Types to array buffer in TypeScript. [#6124](https://github.com/microsoft/kiota/issues/6124)
@@ -35,7 +37,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Fixed a bug in the VS Code extension deeplink with the API Center extension [#6004](https://github.com/microsoft/kiota/issues/6004)
 - Drops Python 3.8 support by removing deprecated type aliases from generated code. [microsoft/kiota-python#349](https://github.com/microsoft/kiota-python/issues/349)
-- Removes superfluous inline imports in serializer methods in Python Generation. 
+- Removes superfluous inline imports in serializer methods in Python Generation.
 
 ## [1.22.2]
 
@@ -1570,5 +1572,3 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Initial GitHub release
-
-