See https://github.com/WebAssembly/stringref/pull/31.

Bug: v8:12868
Change-Id: Iefe6b8e6c1b6f2eed8a2aca1818d5edbf6ab48ae
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3747874
Commit-Queue: Andy Wingo <wingo@igalia.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81571}