Allow Symfony 6

Author: tobias-93

composer.json

@@ -17,17 +17,17 @@
   ],
   "require": {
     "php": ">=7.3",
-    "symfony/filesystem": "~4.4|~5.0",
-    "symfony/dependency-injection": "~4.4|~5.0",
-    "symfony/security-core": "~4.4|~5.0",
-    "symfony/config": "~4.4|~5.0",
-    "symfony/event-dispatcher": "~4.4|~5.0",
-    "symfony/http-foundation": "~4.4|~5.0",
-    "symfony/http-kernel": "~4.4|~5.0",
-    "symfony/twig-bundle": "~4.4|~5.0"
+    "symfony/filesystem": "~4.4|~5.4|~6.3",
+    "symfony/dependency-injection": "~4.4|~5.4|~6.3",
+    "symfony/security-core": "~4.4|~5.4|~6.3",
+    "symfony/config": "~4.4|~5.4|~6.3",
+    "symfony/event-dispatcher": "~4.4|~5.4|~6.3",
+    "symfony/http-foundation": "~4.4|~5.4|~6.3",
+    "symfony/http-kernel": "~4.4|~5.4|~6.3",
+    "symfony/twig-bundle": "~4.4|~5.4|~6.3"
   },
   "require-dev": {
-    "symfony/mailer": "~4.4|~5.0",
+    "symfony/mailer": "~4.4|~5.4|~6.3",
     "symfony/swiftmailer-bundle": ">=2.6.0"
   },
   "suggest": {