test(driver-sql): measure what each dialect materialises for a datetime JS cannot hold (#14078) (#14409)

Part of #14078. Measurement only — no change to the shared canonical-ISO
spelling, which is a maintainer decision about four packages.


Claude-Session: https://claude.ai/code/session_0112hMx9hjJ9BgB28X97DS68

Co-authored-by: Claude <noreply@anthropic.com>

Author: os-musk