Update changelog

CHANGELOG.md

@@ -19,6 +19,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Improved the language localization for German (`de`)
 - Upgraded `prettier` from version `3.9.9` to `3.9.10`
 
+### Fixed
+
+- Fixed the missing permission check in the `GET api/v1/import/dividends/:dataSource/:symbol` endpoint
+
 ## 3.90.0 - 2026-10-21
 
 ### Changed