Updated xz to 5.4.1

[radarhere]

xz 5.4.1 has been released - https://tukaani.org/xz/

[nulano]

Just noting for the future:

From https://git.tukaani.org/?p=xz.git;a=blob;f=NEWS;hb=HEAD:

XZ Utils Release Notes
======================

5.4.1 (2023-01-11)

<snip> 

- Updated windows/INSTALL-MSVC.txt to mention that CMake-based
  build is now the preferred method with Visual Studio. The
  project files will probably be removed after 5.4.x releases.

I'll probably be able to make the required changes in a few weeks from now.