added information for v0.2.0

Author: mustafasoylu

CHANGELOG.md

@@ -4,6 +4,12 @@ Here we provide notes that summarize the most important changes in each released
 
 Please consult the changelog to inform yourself about breaking changes and security issues.
 
+## [v0.2.0](https://github.com/Materials-Data-Science-and-Informatics/somesy/tree/v0.2.0) <small>(2023-11-29)</small> { id="0.2.0" }
+
+* Test refactoring
+* Pydantic 2 implementation
+* Added `publication_author` field to Person model
+
 ## [v0.1.0](https://github.com/Materials-Data-Science-and-Informatics/somesy/tree/v0.1.0) <small>(2023-08-10)</small> { id="0.1.0" }
 
 * First release