docs: update changelog

Author: velut

CHANGELOG.md

@@ -9,6 +9,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - None
 
+## [4.0.0] - 2025-01-20
+
+### Changed
+
+- **BREAKING CHANGE**: Updated the `SearchCriteria` and `SearchResult` types used with the `searchPackages()` function to align with the latest npm registry requirements and responses
+- Upgraded dependencies
+
 ## [3.0.1] - 2024-06-12
 
 ### Changed
@@ -146,7 +153,8 @@ These are the current package's exports:
 
 - **BREAKING CHANGE**: Removed `Registry` class; use the exported functions instead.
 
-[unreleased]: https://github.com/velut/query-registry/compare/v3.0.1...HEAD
+[unreleased]: https://github.com/velut/query-registry/compare/v4.0.0...HEAD
+[4.0.0]: https://github.com/velut/query-registry/compare/v3.0.1...v4.0.0
 [3.0.1]: https://github.com/velut/query-registry/compare/v3.0.0...v3.0.1
 [3.0.0]: https://github.com/velut/query-registry/compare/v2.6.0...v3.0.0
 [2.6.0]: https://github.com/velut/query-registry/compare/v2.5.0...v2.6.0