Allow Symfony 6.0

Author: ruudk

composer.json

@@ -17,16 +17,16 @@
     "require": {
         "php": ">=7.2",
         "behat/mink": "^1.9.0@dev",
-        "symfony/browser-kit": "^4.4 || ^5.0",
-        "symfony/dom-crawler": "^4.4 || ^5.0"
+        "symfony/browser-kit": "^4.4 || ^5.0 || ^6.0",
+        "symfony/dom-crawler": "^4.4 || ^5.0 || ^6.0"
     },
 
     "require-dev": {
         "mink/driver-testsuite": "dev-master",
-        "symfony/error-handler": "^4.4 || ^5.0",
-        "symfony/http-client": "^4.4 || ^5.0",
-        "symfony/http-kernel": "^4.4 || ^5.0",
-        "symfony/mime": "^4.4 || ^5.0",
+        "symfony/error-handler": "^4.4 || ^5.0 || ^6.0",
+        "symfony/http-client": "^4.4 || ^5.0 || ^6.0",
+        "symfony/http-kernel": "^4.4 || ^5.0 || ^6.0",
+        "symfony/mime": "^4.4 || ^5.0 || ^6.0",
         "phpunit/phpunit": "^8.5 || ^9.5",
         "yoast/phpunit-polyfills": "^1.0"
     },