multimedia/openshot: Update to 3.0.0

OpenShot 3.0 Released | Stability, Performance & Usability
Written by Jonathan on Dec. 10, 2022 in Releases.

Highlights & Features:
 - Free & Open-Source Video Editor
 - More than 1000 improvements & fixes
 - Improved stability & memory usage
 - Enhanced real-time video playback performance
 - Timeline & usability improvements (snapping, keyframes, waveforms,
   default folders, and more)
 - Ability to export multiple clips and videos at the same time
 - Improved User-Guide / Documentation / Help Manual
 - Updated Language Translations & Translation System
 - Expanded video formats supported
 - Support for Blender 3.3
 - 4K display | monitor support (High DPI)

ChangeLog:
https://www.openshot.org/blog/2022/12/10/new_openshot_release_300/

PR:		268317