[v12.x] deps: V8: backport 3f071e3e7e15

Original commit message:

PPC: Optimize clearing higher bits of mulhw/mulhwu

Change-Id: Ie3e14a6ef4531349e81a8ae741bc7470c7e547ca
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2349468
Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#69343}

Refs: https://github.com/v8/v8/commit/3f071e3e7e15af187267af6c3b369029e27c8cf5

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• commit message follows commit guidelines