Fix timeout example

The timeout() method expects milliseconds, not seconds. So the current example would timeout after 10ms. 🙃

Author: JeffreyWay

browser-testing.md

@@ -182,7 +182,7 @@ $page->click('#submit-button');
 Sometimes, elements may take time to appear on the page. By default, Pest waits for `5` seconds before timing out. You can configure the default timeout for browser tests in your `Pest.php` configuration file:
 
 ```php
-pest()->browser()->timeout(10);
+pest()->browser()->timeout(10000);
 ```
 
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