Sync to https://github.com/tc39/proposal-temporal/pull/2219
Also sync the MergeLargestUnitOption to latest spec

Change some of the type from JSObject to JSReceiver based on the code
change.

Change AOs: MergeLargestUnitOption, PrepareTemporalFields,
AddDurationToOrSubtractDurationFromPlainYearMonth
Spec text:
https://tc39.es/proposal-temporal/#sec-temporal-mergelargestunitoption
https://tc39.es/proposal-temporal/#sec-temporal-preparetemporalfields
https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoorsubtractdurationfromplainyearmonth

Change the parameter or return from type Handle<Object> to Handle<JSReceiver> in
DifferenceISODateTime, PrepareTemporalFieldsOrPartial,
PrepareTemporalFields, PreparePartialTemporalFields,
MergeLargestUnitOption

Bug: v8:11544
Change-Id: I30e997521f0ed644f5ec50d0982acf1e12f2977d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3855977
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82846}