git: d5228e8957c2..378c74faf328 - vendor/tzcode - vendor branch updated

From: Dag-Erling Smørgrav <des_at_FreeBSD.org>
Date: Tue, 13 Feb 2024 18:33:43 UTC
The branch vendor/tzcode has been updated by des:

URL: https://cgit.FreeBSD.org/src/log/?id=d5228e8957c2..378c74faf328

378c74faf328 Import tzcode 2024a