Bump to v6.3.0

CHANGELOG.md

@@ -5,7 +5,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://codeberg.org/daudix/duckquill/compare/v6.1.1...main)
+## [Unreleased](https://codeberg.org/daudix/duckquill/compare/v6.3.0...main)
+
+## [v6.3.0](https://codeberg.org/daudix/duckquill/compare/v6.2.0...v6.3.0) - 2025-04-19
+
+### Added
+
+- Add German translation (#130).
+
+### Fixed
+
+- Output an error message if title is not set in `config.toml` (#129).
 
 ## [v6.2.0](https://codeberg.org/daudix/duckquill/compare/v6.1.1...v6.2.0) - 2025-03-30