update changelog

Author: maxibor

CHANGELOG.md

@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 * Fancy new logo from [ZandraFagernas](https://github.com/ZandraFagernas)
 * [#286](https://github.com/nf-core/eager/issues/286) - Adds pipeline-specific profiles (loaded from nf-core configs)
 * [#310](https://github.com/nf-core/eager/issues/310) - Generalises base.config
+* [#326](https://github.com/nf-core/eager/pull/326) - Add Biopython and [xopen](https://github.com/marcelm/xopen/) dependancies  
 
 ### `Fixed`