Lower constraint for PHP 8.0

Author: jasonmccreary

composer.json

@@ -10,7 +10,7 @@
         "laravel/framework": "^9.19",
         "laravel/sanctum": "^3.0",
         "laravel/tinker": "^2.7",
-        "symfony/var-exporter": "^6.1"
+        "symfony/var-exporter": "^6.0"
     },
     "require-dev": {
         "fakerphp/faker": "^1.9.1",