Allow v3 contracts where possible

Author: derrabus

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=7.2.5",
         "symfony/polyfill-php80": "^1.16",
-        "symfony/translation-contracts": "^1.1|^2",
+        "symfony/translation-contracts": "^1.1|^2|^3",
         "twig/twig": "^2.13|^3.0.4"
     },
     "require-dev": {