This allows us to store per-eager-deopt site information.

Bug: v8:7700
Change-Id: I86c29aec28220fb96fcf09984e6665f650f22708
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3550275Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79674}