Add: Webassembly Garbage Collection

[rocketraman]

https://github.com/WebAssembly/gc
https://chromestatus.com/feature/6062715726462976
https://bugzilla.mozilla.org/show_bug.cgi?id=1774825

High-level languages that will make use of this proposal inlude Kotlin [1] and Dart (Flutter) [2]. Probably others as well.

[1] https://kotlinlang.org/docs/wasm-overview.html
[2] https://docs.flutter.dev/platform-integration/web/wasm

[atjn]

FYI the webassembly folks are keeping track of this on their own website: https://webassembly.org/roadmap/

That doesn't necessarily mean we shouldn't track it.

[SamB]

MDN has this at https://developer.mozilla.org/en-US/docs/WebAssembly#webassembly.garbage-collection / https://github.com/mdn/browser-compat-data/blob/main/webassembly/garbage-collection.json