git: 3673adf1ee31..bc75dcc4ce68 - vendor/bc - vendor branch updated

From: Stefan Eßer <se_at_FreeBSD.org>
Date: Sun, 17 Apr 2022 11:26:22 UTC
The branch vendor/bc has been updated by se:

URL: https://cgit.FreeBSD.org/src/log/?id=3673adf1ee31..bc75dcc4ce68

bc75dcc4ce68 vendor/bc: import version 5.2.4