Flagged Out-of-Date Comment: python-ffmpy

MarsSeed flagged python-ffmpy out-of-date on 2023-12-19 (UTC) for the following reason:

0.3.1 (Jul 17, 2023); please modernize the build (PEP 517) - https://wiki.archlinux.org/title/Python_package_guidelines#Standards_based_(PEP_517)