Update CHANGELOG for auto-release v0.6.0

Author: GitHub Bot

CHANGELOG.md

@@ -2,10 +2,14 @@
 
 ## [Unreleased]
 
+## [v0.6.0] - 2023-07-08
+
 ## [v0.5.0] - 2023-02-03
 
 -   [ENH] Enable callbacks for pandas DataFrame and Series accessors. (@asmirnov69)
 
-[Unreleased]: https://github.com/pyjanitor-devs/pandas_flavor/compare/v0.5.0...HEAD
+[Unreleased]: https://github.com/pyjanitor-devs/pandas_flavor/compare/v0.6.0...HEAD
+
+[v0.6.0]: https://github.com/pyjanitor-devs/pandas_flavor/compare/v0.5.0...v0.6.0
 
 [v0.5.0]: https://github.com/pyjanitor-devs/pandas_flavor/compare/844c5bc9bebf235bd4534badc07c0153dd01cba0...v0.5.0