The 2GB cage caused new OOMs on M106. While those issues are being
investigated, this CL returns the 4GB back. The pointer compression is
still enabled.

Bug: chromium:1325007, chromium:1354660
Change-Id: I4fa4fabece2910ca84913d8df201acfbdf4b26e2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3865004Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Anton Bikineev <bikineev@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82834}