Project Panama is moving to GitHub

[Ty Young]

> If you have any comments or questions regarding this transition, 
> please reply to this thread.
>

Not a developer but I think it's worth asking: Would it be possible to 
implement Github Actions for automatic builds by commit as well? 
Currently no OpenJDK project project does and it'd be useful for quickly 
finding problems introduced between commits or JDK versions compared to 
compiling.