Spec Text:
https://tc39.es/proposal-temporal/#sec-temporal.calendar.prototype.day

Note- this is only the non-intl version. intl version in
https://tc39.es/proposal-temporal/#sup-temporal.calendar.prototype.day
will be implemented in later cl.

Bug: v8:11544
Change-Id: If56182cf65b3b8cc91ed843f0e20edeb6a065954
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3531556Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80347}