Prepare 3.6.0 release

Author: curry684

CHANGELOG.md

@@ -5,6 +5,13 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ## [Unreleased]
 Nothing yet.
 
+## [3.6.0] - 2023-11-06
+Maintenance release
+
+ - Upped code quality to PHPStan max level
+ - Officially support PHP 8.3
+ - Switched to Github Actions
+
 ## [3.5.0] - 2022-10-18
 ### Changed
  - Maintenance release dropping support for PHP versions below 8.0
@@ -69,7 +76,8 @@ Nothing yet.
 ### Added
  - Original fork, feature complete
 
-[Unreleased]: https://github.com/omines/oauth2-gitlab/compare/3.5.0...master
+[Unreleased]: https://github.com/omines/oauth2-gitlab/compare/3.6.0...master
+[3.6.0]: https://github.com/omines/oauth2-gitlab/compare/3.5.0...3.6.0
 [3.5.0]: https://github.com/omines/oauth2-gitlab/compare/3.4.0...3.5.0
 [3.4.0]: https://github.com/omines/oauth2-gitlab/compare/3.3.0...3.4.0
 [3.3.0]: https://github.com/omines/oauth2-gitlab/compare/3.2.0...3.3.0