Bump kreait/laravel-firebase

Author: dwightwatson

composer.json

@@ -12,11 +12,11 @@
         }
     ],
     "require": {
-        "php": ">= 8.2",
+        "php": "^8.2",
         "guzzlehttp/guzzle": "^7.0",
         "illuminate/notifications": "^11.0|^12.0",
         "illuminate/support": "^11.0|^12.0",
-        "kreait/laravel-firebase": "^5.7"
+        "kreait/laravel-firebase": "^6.0"
     },
     "require-dev": {
         "mockery/mockery": "^1.6.0",