Allow symfony routing 7.3

Author: peldax

composer.json

@@ -21,7 +21,7 @@
     "symfony/framework-bundle": "^7.3 || ^8.0",
     "symfony/http-foundation": "^7.3 || ^8.0",
     "symfony/http-kernel": "^7.3 || ^8.0",
-    "symfony/routing": "^8.0"
+    "symfony/routing": "^7.3 || ^8.0"
   },
   "require-dev": {
     "infinityloop-dev/graphpinator-upload": "^2.0",