security/ffuf: Update to 1.3.1

ChangeLog: https://github.com/ffuf/ffuf/blob/master/CHANGELOG.md

PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255502
Reported by: Gabriel Dutra <0xdutra@gmail.com> (maintainer)
Approved by: dbaio, garga (mentors, implicit)
Differential Revision: https://reviews.freebsd.org/D30097