support symfony 6

Author: mykiwi

composer.json

@@ -17,16 +17,16 @@
         "cache/void-adapter": "^1.0",
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",
-        "symfony/config": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0",
-        "symfony/dependency-injection": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0",
-        "symfony/event-dispatcher": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0",
-        "symfony/http-foundation": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0",
-        "symfony/http-kernel": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0"
+        "symfony/config": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0 || ^6.0",
+        "symfony/dependency-injection": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0 || ^6.0",
+        "symfony/event-dispatcher": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0 || ^6.0",
+        "symfony/http-foundation": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0 || ^6.0",
+        "symfony/http-kernel": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0 || ^6.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.5.4",
-        "symfony/framework-bundle": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0",
-        "symfony/browser-kit": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0",
+        "symfony/framework-bundle": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0 || ^6.0",
+        "symfony/browser-kit": "^3.4.20 || ^4.0.15 || ^4.1.9 || ^4.2.1 || ^5.0 || ^6.0",
         "nyholm/symfony-bundle-test": "^1.4"
     },
     "suggest": {