git: f83ac37f1e66..d1b143ee9a5c - vendor/expat - vendor branch updated

From: Eric van Gyzen <vangyzen_at_FreeBSD.org>
Date: Wed, 02 Mar 2022 22:37:21 UTC
The branch vendor/expat has been updated by vangyzen:

URL: https://cgit.FreeBSD.org/src/log/?id=f83ac37f1e66..d1b143ee9a5c

d1b143ee9a5c Vendor import of expat 2.4.6