Minor MC does not support processing the specialized remembered set
for ephemeron tables.

Temporarily delegate to the regular write barrier for correctness
until the other barrier is supported.

Bug: v8:12262
Change-Id: Iad74b27f8738237dcc1e146b2df3aa6ed8c9a505
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3195895Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77170}