Fix: Add missing argument 'except' to function 'url' in state properties

[bekepr]

Howdy!

I discovered a missing argument in Volt that exists in Livewire, and I believe it would be valuable to have this feature in Volt as well. The missing argument is 'except,' which is used in the 'url' function for state properties. In Livewire, the 'except' argument is employed to exclude specific values from the URL parameters. You can find more details about this feature here.

This fix is non-disruptive, as the 'except' argument is the last (fourth) parameter of the 'url' function, and it has a default value of 'null':

public function url(?string $as = null, ?bool $history = null, ?bool $keep = null, ?string $except = null): static
{
    return $this->attribute(Url::class, as: $as, history: $history, keep: $keep, except: $except);
}

I appreciate your consideration of this enhancement.

Best regards, Ádám Mezei