feat!: Upgrade Symfony to version 7.3 (#154)

Author: roadiz-ci

composer.json

@@ -24,7 +24,7 @@
         "roadiz/core-bundle": "2.6.x-dev",
         "roadiz/openid": "2.6.x-dev",
         "roadiz/rozier": "2.6.x-dev",
-        "symfony/framework-bundle": "6.4.*"
+        "symfony/framework-bundle": "7.3.*"
     },
     "require-dev": {
         "php-coveralls/php-coveralls": "^2.4",