ftp/{lib}filezilla: update libfilezilla 0.47.0 -> 0.49.0, filezilla 3.67.0 -> 3.68.1

- Changed Downloads to LOCAL/pi because of new download obfuscation upstream

PR:		283371, 283373, 283374
Author:		Martin Neubauer <m.ne@gmx.net>
Date:		Mon Dec 30 09:52:13 2024 +0100
Changes:	https://lib.filezilla-project.org/
		https://filezilla-project.org/versions.php#3.68.1
Reported-by:	andy@neu.net, rhurlin