- Move foward deprecations in EmbedderHeapTracer
- Deprecate SetFinalizationCallback in v8::TraceReference

Change-Id: Ic68402096ce8f5fe08521253836d3b19d73326ae
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1863941
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64388}