Log Message:
libfilezilla: update to 0.42.2.

0.42.2 (2023-04-25)

- Further HTTP client fixes

0.42.1 (2023-04-21)

- Small HTTP client improvements to force IPv4/IPv6 for new connections, add a \ 
header count limit, and to make abuffer pool optional

0.42.0 (2023-04-12)

+ Added an HTTP client
- Sources are now distributed in a .tar.xz
- buffer_writer now clears the buffer when opened
- Fixes and performance improvements for fz::xml::parser
- *nix: fz::file::size() now returns -1 on character devices