multimedia/motion: Update to 4.5.1
Changelogs:
4.5.1: https://github.com/Motion-Project/motion/releases/tag/release-4.5.1 4.5.0: https://github.com/Motion-Project/motion/releases/tag/release-4.5.0 4.4.0: https://github.com/Motion-Project/motion/releases/tag/release-4.4.0
PR: 273810
Approved by: zirias (mentor)
Differential Revision: https://reviews.freebsd.org/D41915