docs: update CHANGELOG.md for 0.4.3 (#62)

Co-authored-by: jorben <2806170+jorben@users.noreply.github.com>

Author: jorben

CHANGELOG.md

@@ -4,6 +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).
 
+## [0.4.3] - 2026-03-05
+### :sparkles: New Features
+- [`656d17d`](https://github.com/MarkPDFdown/markpdfdown-desktop/commit/656d17dff3adf6d9da0398a28a45f07931fe82fe) - **cloud-preview**: ✨ Improve cloud preview integration *(PR [#61](https://github.com/MarkPDFdown/markpdfdown-desktop/pull/61) by [@jorben](https://github.com/jorben))*
+
+
 ## [0.4.2] - 2026-03-04
 ### :bug: Bug Fixes
 - [`aed8878`](https://github.com/MarkPDFdown/markpdfdown-desktop/commit/aed8878b7e3ed776f09a6fa8470987ea346f0723) - **cloud-preview**: 🐛 Load all paginated task pages *(PR [#59](https://github.com/MarkPDFdown/markpdfdown-desktop/pull/59) by [@jorben](https://github.com/jorben))*
@@ -169,3 +174,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [0.3.2]: https://github.com/MarkPDFdown/markpdfdown-desktop/compare/0.3.1...0.3.2
 [0.4.1]: https://github.com/MarkPDFdown/markpdfdown-desktop/compare/0.3.3...0.4.1
 [0.4.2]: https://github.com/MarkPDFdown/markpdfdown-desktop/compare/0.4.1...0.4.2
+[0.4.3]: https://github.com/MarkPDFdown/markpdfdown-desktop/compare/0.4.2...0.4.3