add changelog entry

Author: hafezdivandari

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed bug on setting interval visibility of device authorization grant (PR #1410)
 - Fix a bug where the new poll date were not persisted when `slow_down` error happens, because the exception is thrown before calling `persistDeviceCode`. (PR #1410)
 - Fix a bug where `slow_down` error response may have been returned even after the user has completed the auth flow (already approved / denied the request). (PR #1410)
+- Emit `RequestAccessTokenEvent` and `RequestRefreshTokenEvent` events instead of the general `RequestEvent` event when an access / refresh token is issued using device authorization grant. (PR #1467)
 
 ## [9.1.0] - released 2024-11-21
 ### Added