add changelog

Author: Hrovatin

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   control sampling in `farthest_point_sampling`
 - Flag for toggling parallel computation in `simulate_scenarios`
 - Additional transfer learning and synthetic benchmarks
+- BoTorch model preset for gaussian process surrogates
 
 ### Fixed
 - Using `PosteriorStandardDeviation` with `MIN` targets no longer results in