Prepare the v3.3.10 release

Author: stronk7

CHANGELOG.md

@@ -6,6 +6,11 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 The format of this change log follows the advice given at [Keep a CHANGELOG](http://keepachangelog.com).
 
 ## [Unreleased]
+## [v3.3.10] - 2023-10-20
+### Added
+- Detected various duplicate array keys cases (code smell).
+- Enforced, for Moodle 4.4dev and up, that all the test methods have a return type specified (normally `: void`).
+
 ## [v3.3.9] - 2023-09-26
 ### Added
 - Defined (via `.gitattributes`) which files must not be part of distribution (generated .zip & .gz in GitHub, `--prefer-dist` in Composer, ...) packages. This includes docs, ci files, tests... Note that it's still possible to download the complete packages (using `git clone`, `--prefer-source` with Composer, ...).
@@ -89,7 +94,8 @@ 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/v3.3.9...main
+[Unreleased]: https://github.com/moodlehq/moodle-cs/compare/v3.3.10...main
+[v3.3.10]: https://github.com/moodlehq/moodle-cs/compare/v3.3.9...v3.3.10
 [v3.3.9]: https://github.com/moodlehq/moodle-cs/compare/v3.3.8...v3.3.9
 [v3.3.8]: https://github.com/moodlehq/moodle-cs/compare/v3.3.7...v3.3.8
 [v3.3.7]: https://github.com/moodlehq/moodle-cs/compare/v3.3.6...v3.3.7