Experimental Wasm support

[gkdn]

I'm happy to announce that Chrome v119 released with Wasm GC enabled by default. This is an important milestone for J2CL Wasm support.

More details and some performance number from J2CL:
https://v8.dev/blog/wasm-gc-porting

Getting started documentation:
https://github.com/google/j2cl/blob/master/docs/getting-started-j2wasm.md