Update changelog

Author: lexicalunit

CHANGELOG.md

@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Added
+
+- Added documentation about token scopes to API documentation.
+
+### Changed
+
+- Added BOT_TOKEN to spellapi task definition.
+- Added 404 status code to retry ignore list.
+
 ## [v17.2.3](https://github.com/lexicalunit/spellbot/releases/tag/v17.2.3) - 2025-12-06
 
 ### Added