git: 51d8a8b4ac1d..945078deae44 - vendor/NetBSD/bmake - vendor branch updated

From: Simon J. Gerraty <sjg_at_FreeBSD.org>
Date: Sat, 13 May 2023 17:05:16 UTC
The branch vendor/NetBSD/bmake has been updated by sjg:

URL: https://cgit.FreeBSD.org/src/log/?id=51d8a8b4ac1d..945078deae44

945078deae44 Import bmake-20230510