Allow Symfony 7.0

Author: nicolas-grekas

composer.json

@@ -28,15 +28,15 @@
     "require": {
         "php":                       ">=7.1",
         "laminas/laminas-code":      "~3.4.1|^4.0",
-        "symfony/filesystem":        "^4.4.17|^5.0|^6.0"
+        "symfony/filesystem":        "^4.4.17|^5.0|^6.0|^7.0"
     },
     "conflict": {
         "zendframework/zend-stdlib": "<3.2.1",
         "laminas/laminas-stdlib":    "<3.2.1"
     },
     "require-dev": {
         "ext-phar":                     "*",
-        "symfony/phpunit-bridge":       "^5.4|^6.0"
+        "symfony/phpunit-bridge":       "^5.4|^6.0|^7.0"
     },
     "autoload": {
         "psr-4": {