doc: update release date for v0.14.0

Author: nodiscc

CHANGELOG.md

@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
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-## [v0.14.0](https://github.com/shaarli/Shaarli/releases/tag/v0.14.0) - UNRELEASED
+## [v0.14.0](https://github.com/shaarli/Shaarli/releases/tag/v0.14.0) - 2024-12-08
 
 ### Added