V8_DEPRECATE_SOON happened in v7.7

Bug: v8:9306
Change-Id: I652b494c88534e531c2bef3a1417bfb18c594e85
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2450065Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70340}