fix changelog

Author: Phil Varner

CHANGELOG.md

@@ -340,7 +340,9 @@ Initial release, forked from [sat-api](https://github.com/sat-utils/sat-api/tree
 
 Compliant with STAC 0.9.0
 
-[Unreleased]: https://github.com/stac-utils/stac-api/compare/v2.2.1...main
+[Unreleased]: https://github.com/stac-utils/stac-api/compare/v2.2.3...main
+[2.2.3]: https://github.com/stac-utils/stac-api/compare/v2.2.2...v2.2.3
+[2.2.2]: https://github.com/stac-utils/stac-api/compare/v2.2.1...v2.2.2
 [2.2.1]: https://github.com/stac-utils/stac-api/compare/v2.2.0...v2.2.1
 [2.2.0]: https://github.com/stac-utils/stac-api/compare/v2.1.0...v2.2.0
 [2.1.0]: https://github.com/stac-utils/stac-api/compare/v2.0.0...v2.1.0