This is a reland of commit 0609bb83

Original change's description:
> cppgc: Move forward Trace(T*) deprecation
>
> Bug: v8:13089
> Change-Id: I271addd3a80feaa40520ab2768a2380c3d7ab62f
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3780821
> Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Anton Bikineev <bikineev@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#81939}

Bug: v8:13089
Change-Id: I34eaa119bea1d515c942bbb654ec05adb1ef2836
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3787873Reviewed-by: Anton Bikineev <bikineev@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81961}