[clang] Added TypeKind.FLOAT16 for 32 in cindex.py (PR #142634)

[Vlad Serebrennikov via cfe-commits]

Endilll wrote:

> > Time to put libclang to use, and parse cindex.h?
> 
> Probably, though I'll check if there are any more direct options first. I don't quite like the idea of hardcoding source file paths in bindings tests.

If that helps, it should be available using a relatively stable path, because it's a public header.

https://github.com/llvm/llvm-project/pull/142634