chore: prepare release 3.4.0

Author: andrei-cristea

CHANGELOG.md

@@ -5,6 +5,8 @@ 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).
 
 ## [Unreleased]
+
+## [3.4.0] - 2025-11-21
 ### Upgraded
 - Keypop Reader API `2.0.1` -> `2.1.0` (source code not impacted)
 
@@ -223,7 +225,8 @@ It follows the extraction of Keyple 1.0 components contained in the `eclipse-key
 repositories.
 It also brings many major API changes.
 
-[unreleased]: https://github.com/eclipse-keyple/keyple-service-java-lib/compare/3.3.7...HEAD
+[unreleased]: https://github.com/eclipse-keyple/keyple-service-java-lib/compare/3.4.0...HEAD
+[3.4.0]: https://github.com/eclipse-keyple/keyple-service-java-lib/compare/3.3.7...3.4.0
 [3.3.7]: https://github.com/eclipse-keyple/keyple-service-java-lib/compare/3.3.6...3.3.7
 [3.3.6]: https://github.com/eclipse-keyple/keyple-service-java-lib/compare/3.3.5...3.3.6
 [3.3.5]: https://github.com/eclipse-keyple/keyple-service-java-lib/compare/3.3.4...3.3.5