Update dependency phan/phan to v6.0.0

Author: renovate[bot]

composer.json

@@ -45,7 +45,7 @@
         "laravel/pint": "1.27.0",
         "mockery/mockery": "1.6.12",
         "nunomaduro/collision": "8.8.3",
-        "phan/phan": "6.0.0-beta",
+        "phan/phan": "6.0.0",
         "psalm/plugin-laravel": "3.0.4",
         "slevomat/coding-standard": "8.26.0",
         "spatie/laravel-ignition": "2.9.1",