Merge pull request hestiacp#4320 from hestiacp/dependabot/composer/install/deb/filemanager/filegator/phpseclib/phpseclib-2.0.47

Bump phpseclib/phpseclib from 2.0.41 to 2.0.47 in /install/deb/filemanager/filegator

Author: jaapmarcus