Update upstream source from tag 'upstream/2.2.0'

Update to upstream version '2.2.0'
with Debian dir 17d5a0e9faa5fe53c8d6111d5614dce9ceaeae84

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 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).
 
+## [2.2.0] - 2024-06-10
+
+- Allow PHPUnit 11.x #51
+
 ## [2.1.0] - 2023-11-25
 
 - Clean up testing changes #48, #49

composer.json

@@ -22,7 +22,7 @@
     "require": {
         "php": "^8.1",
         "psr/http-factory": "^1.0",
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^10.0 || ^11.0"
     },
     "autoload": {
         "psr-4": {