Update CHANGELOG

Author: siirimangus

CHANGELOG.md

@@ -7,8 +7,9 @@ The file format of it is based on [Keep a Changelog](http://keepachangelog.com/e
 For public Changelog covering all changes done to Pipedrive’s API, webhooks and app extensions platforms, see [public Changelog](https://pipedrive.readme.io/docs/changelog) with discussion area in [Developers Community](https://devcommunity.pipedrive.com/c/documentation/changelog/19).
 
 ## [Unreleased]
-### Changed
-- Send token in the `x-api-token` header instead of `api_token` query parameter
+### Added
+- Added `is_archived` to request bodies of POST `deals` endpoints and PUT/PATCH `/deals/:id` endpoints
+- Added `archive_time` to request bodies of POST `deals` endpoints
 
 ## [27.0.0] - 2025-05-09
 ### Changed