allow sf4

composer.json

@@ -19,19 +19,19 @@
         "sonata-project/core-bundle": "^3.17",
         "sonata-project/exporter": "1.x-dev#7ea2008067c70b8caa70b9be72da40bea7104056",
         "symfony/form": "^3.4 || ^4.0",
-        "symfony/framework-bundle": "^3.4"
+        "symfony/framework-bundle": "^3.4 || ^4.0"
     },
     "require-dev": {
         "knplabs/knp-menu-bundle": ">=1.1.0,<3.0.0",
         "phpunit/phpunit": "^9",
         "skyfox/propel-bundle": "~5.0.2@dev",
-        "symfony/browser-kit": "^3.4",
-        "symfony/console": "^3.4",
-        "symfony/css-selector": "^3.4",
-        "symfony/phpunit-bridge": "^3.4",
+        "symfony/browser-kit": "^3.4 || ^4.0",
+        "symfony/console": "^3.4 || ^4.0",
+        "symfony/css-selector": "^3.4 || ^4.0",
+        "symfony/phpunit-bridge": "^3.4 || ^4.0",
         "symfony/security-bundle": "^4.0",
-        "symfony/twig-bundle": "^3.4",
-        "symfony/var-dumper": "^3.4"
+        "symfony/twig-bundle": "^3.4 || ^4.0",
+        "symfony/var-dumper": "^3.4 || ^4.0"
     },
     "conflict": {
         "doctrine/annotations": ">1"