allow the Novu bridge to be used with symfony/notifier 7.x

Author: xabbuh

src/Symfony/Component/Notifier/Bridge/Novu/composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=8.1",
         "symfony/http-client": "^5.4|^6.0|^7.0",
-        "symfony/notifier": "^6.4"
+        "symfony/notifier": "^6.4|^7.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Notifier\\Bridge\\Novu\\": "" },