Upgrade JDK

[catilac]

See if we can upgrade project to use latest JDK 25 LTS
Or at least JDK 22+ to allow us to use Project Panama

[tychedelia]

Seems like there's some native loading issues in 25 that are causing the PDE to be a bit wonky. Sketches run fine.

[Stefterv]

Right I have seen this before when working on the pre-processor

[catilac]

I'll make a task for updating the pre-processor just to track it. But i'm glad the sketches are building. I wonder what test infrastructure we could get into place to track that as we go