Java 21 Record Patterns

[paulirwin]

Support Java 21 Record Patterns

https://openjdk.org/jeps/440

[paulirwin]

Blocked pending javaparser support: javaparser/javaparser#4217

[Lancelotbronner]

Its no longer blocked, RecordDeclaration is present, I'd need that for my usage.

I was looking at implementing it myself but it seems like the way its currently built means I'd have to add a VisitForRecord to every visitor, which is a bit too much work for a side quest..