prepare release

Author: dbu

Diff for: CHANGELOG.md

@@ -7,7 +7,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [1.14.0] - 2023-04-14
--
+
 - Allow installation with http-message (PSR-7) version 2 in addition to version 1.
 - Support for PHP 8.2