feat: compatibility with Symfony 6 (#359)

Author: dunglas

composer.json

@@ -3,6 +3,8 @@
     "type": "library",
     "description": "Various tools to generate a data model based on Schema.org vocables",
     "keywords": [
+        "rdf",
+        "owl",
         "schema.org",
         "semantic",
         "model",
@@ -36,11 +38,11 @@
         "easyrdf/easyrdf": "^1.1",
         "friendsofphp/php-cs-fixer": "^2.15 || ^3.0",
         "league/html-to-markdown": "^5.0",
-        "psr/log": "^1.0",
-        "symfony/config": "^5.2",
-        "symfony/console": "^5.2",
-        "symfony/yaml": "^5.2",
-        "symfony/filesystem": "^5.2",
+        "psr/log": "^1.0 || ^2.0 || ^3.0",
+        "symfony/config": "^5.2 || ^6.0" ,
+        "symfony/console": "^5.2 || ^6.0",
+        "symfony/yaml": "^5.2 || ^6.0",
+        "symfony/filesystem": "^5.2 || ^6.0",
         "twig/twig": "^3.0",
         "nette/php-generator": "^3.6 || ^4.0-dev",
         "nette/utils": "^3.1 || ^4.0-dev",
@@ -50,14 +52,19 @@
         "api-platform/core": "^2.5",
         "doctrine/orm": "^2.7",
         "myclabs/php-enum": "^1.7",
-        "symfony/doctrine-bridge": "^5.2",
-        "symfony/phpunit-bridge": "^5.2",
-        "symfony/serializer": "^5.2",
-        "symfony/validator": "^5.2",
+        "symfony/doctrine-bridge": "^5.2 || ^6.0",
+        "symfony/phpunit-bridge": "^5.2 || ^6.0",
+        "symfony/serializer": "^5.2 || ^6.0",
+        "symfony/validator": "^5.2 || ^6.0",
         "phpspec/prophecy-phpunit": "^2.0",
         "phpstan/phpstan": "^1.2.0"
     },
     "bin": [
         "bin/schema"
-    ]
+    ],
+    "config": {
+        "allow-plugins": {
+            "composer/package-versions-deprecated": true
+        }
+    }
 }