feat: support for beanRef in KafkaListener annotation

[ruskaof]

this commit resolves #873

Hi, I'm new to this project so I'm not sure this is the best way to implement support for beanRef in KafkaListener annotation. Could you please review this MR? Most of the code comes from the spring kafka project https://github.com/spring-projects/spring-kafka/blob/main/spring-kafka/src/main/java/org/springframework/kafka/annotation/KafkaListenerAnnotationBeanPostProcessor.java

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[ruskaof]

Thanks for your review, @timonback ! I like your suggestions and I'll try to implement them. I believe that it is not possible to implement this feature without somehow passing the annotated class (or the class that declares the annotated method) to KafkaBindingFactory methods because the annotation itself does not provide any data on this.

Since one can use Kafkalister on both methods and classes, would it be right to make something like BindingContext<AnnotationType> class that contains the annotation itself and either annotated method or class and use it in the new BindingFactory methods?