add changelog entry about pounder gpio
@@ -34,6 +34,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
* Fixed panics when using a batch size of 1 ([#540](https://github.com/quartiq/stabilizer/issues/540))
* Fixed an issue where startup delays were 1/4 of what they should be ([#524](https://github.com/quartiq/stabilizer/issues/524))
+* Fixed Pounder GPIO extender issues by rewriting the `mcp280xx` crate
## [v0.6.0] - 2022-02-11
