deps: cherry-pick 39d546a from upstream V8

Original commit message:

    [api] introduce v8::Value::IsModuleNamespaceObject

    This allows an embedder to check if a Value is a module namespace object.

    Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
    Change-Id: Idffceff451dd5f5c6a53d4cb3ce02c1c2c5b653c
    Reviewed-on: https://chromium-review.googlesource.com/1011762


Reviewed-by: Georg Neis <neis@chromium.org>
    Commit-Queue: Georg Neis <neis@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#52597}

Refs: https://github.com/v8/v8/commit/39d546a24022b62b00aedf7b556ac6c9e2306aab

PR-URL: https://github.com/nodejs/node/pull/20016


Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>