Fixed lowest supported dependencies

Author: yann-eugone

composer.json

@@ -16,10 +16,11 @@
     "require-dev": {
         "doctrine/annotations": "^1.3",
         "phpspec/prophecy-phpunit": "^2.0",
-        "phpunit/phpunit": "^9.0",
+        "phpunit/phpunit": "^9.4",
         "squizlabs/php_codesniffer": "^3.5",
         "symfony/form": "^4.4|^5.0",
         "symfony/framework-bundle": "^4.4|^5.0",
+        "symfony/translation-contracts": "^2",
         "symfony/twig-bundle": "^4.4|^5.0",
         "symfony/validator": "^4.4|^5.0",
         "twig/twig": "^2.0|^3.0"