git: 20616273d521..35af88c96350 - vendor/libpcap - vendor branch updated

From: Joseph Mingrone <jrm_at_FreeBSD.org>
Date: Mon, 27 Mar 2023 19:51:46 UTC
The branch vendor/libpcap has been updated by jrm:

URL: https://cgit.FreeBSD.org/src/log/?id=20616273d521..35af88c96350

35af88c96350 Import libpcap 1.10.3