Update to PHPUnit 10

Author: battye

composer.json

@@ -27,7 +27,7 @@
 		"battye/php-array-parser": "~1.0"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "~8.0"
+		"phpunit/phpunit": "~10.0"
 	},
 	"bin": [
 		"translation.php"