Enhancement: Prepare release

CHANGELOG.md

@@ -6,7 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## Unreleased
 
-For a full diff see [`2.8.0...main`][2.8.0...main].
+For a full diff see [`2.9.0...main`][2.9.0...main].
+
+## [`2.9.0`][2.9.0]
+
+For a full diff see [`2.8.0...2.9.0`][2.8.0...2.9.0].
 
 ### Changed
 
@@ -154,6 +158,7 @@ For a full diff see [`36912f6...1.0.0`][36912f6...1.0.0].
 [2.6.0]: https://github.com/ergebnis/clock/releases/tag/2.6.0
 [2.7.0]: https://github.com/ergebnis/clock/releases/tag/2.7.0
 [2.8.0]: https://github.com/ergebnis/clock/releases/tag/2.8.0
+[2.9.0]: https://github.com/ergebnis/clock/releases/tag/2.9.0
 
 [36912f6...1.0.0]: https://github.com/ergebnis/clock/compare/36912f6...1.0.0
 [1.0.0...2.0.0]: https://github.com/ergebnis/clock/compare/1.0.0...2.0.0
@@ -166,7 +171,8 @@ For a full diff see [`36912f6...1.0.0`][36912f6...1.0.0].
 [2.5.0...2.6.0]: https://github.com/ergebnis/clock/compare/2.5.0...2.6.0
 [2.6.0...2.7.0]: https://github.com/ergebnis/clock/compare/2.6.0...2.7.0
 [2.7.0...2.8.0]: https://github.com/ergebnis/clock/compare/2.7.0...2.8.0
-[2.8.0...main]: https://github.com/ergebnis/clock/compare/2.8.0...main
+[2.8.0...2.9.0]: https://github.com/ergebnis/clock/compare/2.8.0...2.9.0
+[2.9.0...main]: https://github.com/ergebnis/clock/compare/2.9.0...main
 
 [#1]: https://github.com/ergebnis/clock/pull/1
 [#2]: https://github.com/ergebnis/clock/pull/2