repo: update changelog for release

Author: antoinevg

CHANGELOG.md

@@ -9,9 +9,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 -->
 
+## [0.9.1] - 2024-06-21
+### Added
+- USB Standard Feature Selectors per [USB 2.0: Table 9-6]
+
+
 ## [0.9.0] - 2024-06-04
 ### Added
 - Initial release
 
 [Unreleased]: https://github.com/greatscottgadgets/python-usb-protocol/compare/0.9.0...HEAD
-[0.1.0]: https://github.com/greatscottgadgets/python-usb-protocol/releases/tag/0.9.0
+[0.9.1]: https://github.com/greatscottgadgets/python-usb-protocol/compare/0.9.0...0.9.1
+[0.9.0]: https://github.com/greatscottgadgets/python-usb-protocol/releases/tag/0.9.0