[9.x] Implement except method for fake classes to define what should not be faked

[mateusjunges]

This PR is a follow up on #44106 and implements the same except method for the Event and Queue fake classes.

@jasonmccreary I'd appreciate your thoughts here 😃

[jasonmccreary]

Awesome. I needed this the other week when testing a job dispatched another job. I wanted to actually dispatch that job in my test, but then fake anything else. Having Queue::fake()->except(JobImTesting::class) would have been awesome, instead of my hack of (new JobImTesting)->handle();. 👍