Jextract binaries now live!

[Maurizio Cimadamore]

Hi,
We're pleased to announce that the jextract binaries obtained from the 
standalone repo are available here:

https://jdk.java.net/jextract/

It took quite a lot of effort to separate the jextract component from 
the panama repo, and I'd like to thank everyone involved in the process.

Note: the build covers the Java 19 version of jextract. If you need a 
version of jextract that works with Java 18, you can either build the 
standalone jextract, using the Java 18 branch [1], or download the 
panama repo + jextract [2].

Maurizio

[1] - https://github.com/openjdk/jextract/tree/jdk18
[2] - https://jdk.java.net/panama/