multimedia/pitivi: Update 2022.06 => 2023.03
Changelog:
https://gitlab.gnome.org/GNOME/pitivi/-/blob/2023.03.0/NEWS
Release notes:
https://www.pitivi.org/news/2023-03-26-pitivi-2023-03-time-was-money/
Improve port:
- Fix dependencies, for example science/py-scipy is mandatory at runtime
- Fix warnings from portclippy
MFH: 2025Q3
(cherry picked from commit 2f7dcaa68333db0736544b2f7bde15aee9f380fc)