Update changelog

Author: TomWright

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [v2.4.0] - 2023-10-18
+
 ### Added
 
 - `orDefault()` function. [See docs](https://daseldocs.tomwright.me/functions/ordefault)
@@ -624,7 +626,8 @@ See [documentation](https://daseldocs.tomwright.me) for all changes.
 
 - Everything!
 
-[unreleased]: https://github.com/TomWright/dasel/compare/v2.3.6...HEAD
+[unreleased]: https://github.com/TomWright/dasel/compare/v2.4.0...HEAD
+[v2.4.0]: https://github.com/TomWright/dasel/compare/v2.3.6...v2.4.0
 [v2.3.6]: https://github.com/TomWright/dasel/compare/v2.3.5...v2.3.6
 [v2.3.5]: https://github.com/TomWright/dasel/compare/v2.3.4...v2.3.5
 [v2.3.4]: https://github.com/TomWright/dasel/compare/v2.3.3...v2.3.4