multimedia/tautulli: Update to 2.5.5

• Updated to use python3
• There is now a build step that runs 'python -m compileall' on all python code
• Tautulli supports libraries with the new and improved plex movie scanner

PR: 249161
Submitted by: Michiel van Baak <michiel@vanbaak.eu>
Approved by: Christer Edwards <christer.edwards@gmail.com>