multimedia/video-trimmer: Update 25.3 => 26.3

[nxjoseph]

Summary

Hi,

I am updating my port video-trimmer to latest release. I also modified it to use upstream release tarball instead.

Tested build on Poudriere (14.3-RELEASE-p9, amd64, main(c927d063a7ee)) and it seems OK.

Tested runtime on 14.3-RELEASE-p10 amd64 main(c927d063a7ee).

Thanks in advance.

git message:

multimedia/video-trimmer: Update 25.3 => 26.3

Release notes:
* The default output filename now includes start and end timestamps.
* Added CLI flags for timestamps, precise trimming and removing audio.
* Increased the default window size to make the video 960×540.
* Updated to the GNOME 50 platform.
* Updated translations.
Changelog:
https://gitlab.gnome.org/YaLTeR/video-trimmer/-/releases/v26.03

Port changes:
* Switch to release tarball

Reviewed by: ?
Approved by: ?
Differential Revision: ?

[osa]

LGTM