htop: Update to 3.4.1

htop: Update to 3.4.1

For details see:
https://github.com/htop-dev/htop/blob/main/ChangeLog

"What's new in version 3.4.1

* Support for PMAPI v3 for PCP
* PCP code cleanups
* Proper checks for strchrnul
* Code cleanup in the NetworkIOMeter
* Improved documentation for the --user option
* Display stuck processes on Darwin
* Handle issues when the monotonic clock runs backwards
* Fix builds using native curses on NetBSD"

Signed-off-by: Matthias Fischer <matthias.fischer@ipfire.org>