Fix return type hint in docblock (#41554)
Fix return type hint in docblock (#41554)

The put method can return putFile, which in turn can return a string
arturock/framework,lucasmichot/framework,hafezdivandari/framework,leo108/laravel_framework,JamesForks/framework,leo108/laravel_framework,arturock/framework,morrislaptop/framework,JamesForks/framework,arturock/framework,laravel/framework,morrislaptop/framework,lucasmichot/framework,hafezdivandari/framework,driesvints/framework,driesvints/framework,laravel/framework