chore: Prepare v0.4.2 release (#239)

* Add changelog section 0.4.2
* Update version to 0.4.2 in pyproject.toml

Author: ValerianRey

CHANGELOG.md

@@ -6,7 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). This changelog does not include internal
 changes that do not affect the user.
 
-## [Unreleased]
+## [0.4.2] - 2025-01-30
+
+### Added
+
+- Added Python 3.13 classifier in pyproject.toml (we now also run tests on Python 3.13 in the CI).
 
 ## [0.4.1] - 2025-01-02
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "pdm.backend"
 
 [project]
 name = "torchjd"
-version = "0.4.1"
+version = "0.4.2"
 description = "Library for Jacobian Descent with PyTorch."
 readme = "README.md"
 authors = [