update changelog

Author: Kaarel Õun

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.0.3] - 2022-19-12
+
+### Changed
+
+- Fix error in FormField.fill()
+
 ## [2.0.2] - 2022-26-09
 
 ### Changed