Allow newer PHPUnit

Author: dktapps

composer.json

@@ -11,7 +11,7 @@
 		"phpstan/phpstan": "~1.10.3",
 		"phpstan/extension-installer": "^1.0",
 		"phpstan/phpstan-strict-rules": "^1.0.0",
-		"phpunit/phpunit": "^9.5",
+		"phpunit/phpunit": "^9.5 || ^10.0 || ^11.0",
 		"phpstan/phpstan-phpunit": "^1.0"
 	},
 	"autoload": {