Update symfony dependencies to 6&7

Author: mleczakm

composer.json

@@ -22,16 +22,16 @@
         "league/oauth2-server": "^8.3",
         "nyholm/psr7": "^1.4",
         "psr/http-factory": "^1.0",
-        "symfony/event-dispatcher": "^5.4|^6.2",
-        "symfony/framework-bundle": "^5.4|^6.2",
-        "symfony/psr-http-message-bridge": "^2.0",
-        "symfony/security-bundle": "^5.4|^6.2"
+        "symfony/event-dispatcher": "^6.2|^7.0",
+        "symfony/framework-bundle": "^6.2|^7.0",
+        "symfony/psr-http-message-bridge": "^6.0|^7.0",
+        "symfony/security-bundle": "^6.2|^7.0"
     },
     "require-dev": {
         "ext-pdo": "*",
         "ext-pdo_sqlite": "*",
-        "symfony/browser-kit": "^5.4|^6.2",
-        "symfony/phpunit-bridge": "^5.4|^6.2"
+        "symfony/browser-kit": "^6.2|^7.0",
+        "symfony/phpunit-bridge": "^6.2|^7.0"
     },
     "autoload": {
         "psr-4": { "League\\Bundle\\OAuth2ServerBundle\\": "src/" }