git: 42df52d15694..039b23c9238c - vendor/xz - vendor branch updated

From: Xin LI <delphij_at_FreeBSD.org>
Date: Sun, 26 Nov 2023 00:54:14 UTC
The branch vendor/xz has been updated by delphij:

URL: https://cgit.FreeBSD.org/src/log/?id=42df52d15694..039b23c9238c

039b23c9238c Vendor import of xz 5.4.5 (trimmed)