deps: V8: backport b1cd96e from upstream

Original commit message:
  [inspector] added V8InspectorClient::maxAsyncCallStackDepthChanged

  R=dgozman@chromium.org

  Bug: none
  Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_chromium_rel_ng
  Change-Id: I0fa10978266feb3c3907ce1f3386ae7a34a33582
  Reviewed-on: https://chromium-review.googlesource.com/726490


Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
  Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
  Cr-Commit-Position: refs/heads/master@{#48705}

PR-URL: https://github.com/nodejs/node/pull/16308
Backport-PR-URL: https://github.com/nodejs/node/pull/16413
Refs: https://github.com/v8/v8/commit/b1cd96ec4b836348bcffba357cd29076ab3ae48b


Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>