Log Message:
libfilezilla: update to 0.46.0.

0.46.0 (2024-02-06)

+ fz::process: Add io redirection mode that excluded stderr
+ fz::remove_file and remove_dir now take additional parameter and return fz::result
+ Added transitional fz::file::read2 and fz::file::write2 returning \ 
fz::rwresult, old read/write have been marked deprecated
- HTTP: Fix redirect if "Connection: close" header is set