Update Symfony dependencies to ^6.4|^7.3

Author: javihgil

composer.json

@@ -16,9 +16,9 @@
         "opencensus/opencensus-exporter-stackdriver": "^0.1.0",
         "phpstan/phpstan": "^1.10",
         "rector/rector": "^1.0",
-        "symfony/config": "^5.4|^6.0|^7.0",
-        "symfony/dependency-injection": "^5.4|^6.0|^7.0",
-        "symfony/http-kernel": "^5.4|^6.0|^7.0",
+        "symfony/config": "^6.4|^7.3",
+        "symfony/dependency-injection": "^6.4|^7.3",
+        "symfony/http-kernel": "^6.4|^7.3",
         "twig/twig": "^3.5"
     },
     "suggest": {