[v19.x backport] wasi: fast calls
Including a backport of https://github.com/v8/v8/commit/bf0bd4868dde5a74a06a3090fd379894376e394a, as suggested by @devsnek
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Including a backport of https://github.com/v8/v8/commit/bf0bd4868dde5a74a06a3090fd379894376e394a, as suggested by @devsnek