Update changelog for release 0.4.0

CHANGELOG.md

@@ -9,6 +9,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 -->
 
+## [0.4.0] - 2024-10-29
+
+### Added
+
+- Add context menu system and options to save data.
+- Add initial support for HID descriptors.
+
+
 ## [0.3.0] - 2024-10-21
 
 ### Added
@@ -88,7 +96,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Initial release
 
 
-[Unreleased]: https://github.com/greatscottgadgets/packetry/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/greatscottgadgets/packetry/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/greatscottgadgets/packetry/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/greatscottgadgets/packetry/compare/v0.2.2...v0.3.0
 [0.2.2]: https://github.com/greatscottgadgets/packetry/compare/v0.2.1...v0.2.2
 [0.2.1]: https://github.com/greatscottgadgets/packetry/compare/v0.2.0...v0.2.1