Spring Fix Kotlin example for @Required

https://docs.spring.io/spring-framework/docs/current/reference/html/core.html#beans-required-annotation

class SimpleMovieLister {
    lateinit var movieFinder: MovieFinder
             @Required
              set
    // ...
}

Comment From: sbrannen

Thanks for pointing this out.

This has been addressed in 5.3.x and main.

In the future, when you come across issues like this with the documentation feel free to submit a PR that contains the fix.

Comment From: sdeleuze

I created #28630 to refine the fix for this issue, see the related comment.