Prepare for v3.4.9 release

CHANGELOG.md

@@ -6,6 +6,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 The format of this change log follows the advice given at [Keep a CHANGELOG](https://keepachangelog.com).
 
 ## [Unreleased]
+## [v3.4.9] - 2024-06-19
 ### Fixed
 - Fixed a recent regression by allowing to the `moodle.Files.BoilerplateComment` sniff to contain "extra" consecutive comment lines immediately after the official boilerplate ends.
 
@@ -232,7 +233,8 @@ All features are maintained and no new features have been introduced to either t
 
 All the details about [previous releases] can be found in [local_codechecker](https://github.com/moodlehq/moodle-local_codechecker) own change log.
 
-[Unreleased]: https://github.com/moodlehq/moodle-cs/compare/v3.4.8...main
+[Unreleased]: https://github.com/moodlehq/moodle-cs/compare/v3.4.9...main
+[v3.4.9]: https://github.com/moodlehq/moodle-cs/compare/v3.4.8...v3.4.9
 [v3.4.8]: https://github.com/moodlehq/moodle-cs/compare/v3.4.7...v3.4.8
 [v3.4.7]: https://github.com/moodlehq/moodle-cs/compare/v3.4.6...v3.4.7
 [v3.4.6]: https://github.com/moodlehq/moodle-cs/compare/v3.4.5...v3.4.6