release: Update CHANGELOG.md for 0.3.1

Author: ManifoldFR

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.1] - 2025-06-05
+
 ### Fixed
 
 - utils/VideoRecorder.cpp : fix `m_frameCounter` not being initialized
@@ -132,7 +134,8 @@ This is the first release to use a changelog.
 - Visual bug (uninitialized data) when disabling SSAO
 
 
-[Unreleased]: https://github.com/Simple-Robotics/candlewick/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/Simple-Robotics/candlewick/compare/v0.3.1...HEAD
+[0.3.1]: https://github.com/Simple-Robotics/candlewick/compare/v0.3.0...v0.3.1
 [0.3.0]: https://github.com/Simple-Robotics/candlewick/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/Simple-Robotics/candlewick/compare/v0.1.1...v0.2.0
 [0.1.1]: https://github.com/Simple-Robotics/candlewick/compare/v0.1.0...v0.1.1