multimedia/tsduck: Update 3.44 => 3.45

While here:

• Add LICENSE_FILE.
• Remove new line between *_DEPENDS (pet portlint).

Changelog:
https://github.com/tsduck/tsduck/blob/v3.45-4798/CHANGELOG.txt

PR: 298457
Approved by: osa, vvd (Mentors, implicit)
MFH: 2026Q3

(cherry picked from commit dfaab63897358b72fa1f2de582feb0bb8cb3c8d9)