Updated changelog to correspond to actual changes

CHANGELOG.md

@@ -4,7 +4,11 @@ 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).
 
-## [Unreleased]
+## [1.0.0]
+### Changed
+- `null` values are kept by `DataFilter` and will be available in resulted normalized data.
+
+## 0.1.1
 ### Added
 - Support for normalization groups:
     - `GroupedNormalizerRegistryProvider`, which allows to register normalizers for different groups;
@@ -22,8 +26,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
     Always type-hint `Paysera\Component\Normalization\NormalizerRegistryInterface`;
 - Unused constant `Paysera\Component\Normalization\NormalizerRegistryInterface::DENORMALIZER_TYPE_ARRAY`.
 
-## [1.0.0]
-### Changed
-- `null` values are kept by `DataFilter` and will be available in resulted normalized data.
 
-[Unreleased]: https://github.com/paysera/lib-normalization/compare/0.1.0...HEAD
+[1.0.0]: https://github.com/paysera/lib-normalization/compare/0.1.3...1.0.0