This is a follow-up to https://chromium-review.googlesource.com/c/v8/v8/+/3776693
The previous CL accidentally didn't manage to enable
the PGO build because `v8_optimized_debug` is true in
release builds.

Bug: v8:10470
Change-Id: I66ec74e71eb697aa48b981d78ad526f4b8c5a917
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3784989
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Auto-Submit: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81971}