Roll V8 from 4752fc8738ba to 10f20afdef4a (7 revisions)

https://chromium.googlesource.com/v8/v8.git/+log/4752fc8738ba..10f20afdef4a

2026-10-07 junyan1@ibm.com ppc64: Replace r0 with UseScratchRegisterScope in baseline prologue
2026-10-07 ishell@chromium.org [scopes] Treat REPL globals as dynamic globals in sloppy eval
2026-10-07 v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update V8 DEPS (trusted)
2026-10-07 joyee@igalia.com [objects] Use a generic lambda for gc_retry in BackingStore
2026-10-07 ryandiaz@chromium.org [x64-stack-align] fix compilation errors with new frame constants
2026-10-07 omerkatz@chromium.org [sandbox] Gracefully crash on SandboxAlloc OOM
2026-10-07 jgruber@chromium.org [objects] Unify tagged casting membership checks

If this roll has caused a breakage, revert this CL and set the roller
to dry run mode using the controls here:
https://autoroll.skia.org/r/v8-dawn
Please CC chouinard@google.com,webgpu-dev-team@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in V8: https://issues.chromium.org/issues/new?component=1456824
To file a bug in Dawn: https://crbug.com/dawn

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Tbr: chouinard@google.com
Change-Id: I6b2932fbc0956781cec8e47fabdbed5b2d9e1568
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/349395
Bot-Commit: dawn-autoroll@skia-public.iam.gserviceaccount.com <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: dawn-autoroll@skia-public.iam.gserviceaccount.com <dawn-autoroll@skia-public.iam.gserviceaccount.com>