title: Laravel Cashier setting the quality with newSubscription for Stripe
body: <p>I am developing a Laravel application. I am installing Stripe payment method using the Cashier. Now, I am having a bit of an issue setting up quality for the Stripe plan on creating new subscription. This is how I create new subscription.</p>
  
  <pre><code>auth()-&gt;user()-&gt;newSubscription('prod_xxx', 'plan_x')-xx&gt;create(request('stripeToken'));
  </code></pre>
  
  <p>The above code works perfectly fine. But when I tried to set the quality like this</p>
  
  <pre><code>auth()-&gt;user()-&gt;newSubscription('prod_xxx', 'plan_x')-&gt;updateQuality(5)-&gt;create(request('stripeToken'));
  </code></pre>
  
  <p>It does not work. It is saying updateQuality method does not exist. How can I set the quality with newSubscription all in one go?</p>