Added Symfony 8 support to all symfony/* packages. (#298)

Author: thecaliskan

composer.json

@@ -33,7 +33,7 @@
         "rector/rector": "^1.0",
         "spatie/invade": "^2.0",
         "spatie/ray": "^1.40.1",
-        "symfony/var-dumper": "^6.4|^7.1"
+        "symfony/var-dumper": "^6.4||^7.1 || ^8.0"
     },
     "autoload": {
         "psr-4": {