fix(deps): update dependency webonyx/graphql-php to v15.28.0 (#1711)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/composer.json

@@ -38,7 +38,7 @@
         "laravel/framework": "12.42.0",
         "laravelcollective/html": "dev-6x",
         "laravel/legacy-factories": "1.4.1",
-        "webonyx/graphql-php": "15.27.2",
+        "webonyx/graphql-php": "15.28.0",
         "invisnik/laravel-steam-auth": "dev-master",
         "laravel/socialite": "5.24.0",
         "ignited/laravel-omnipay": "3.7.0",