cad/horizon-eda: Update 2.7.0 => 2.7.1

Summary:
Changelogs:

• https://github.com/horizon-eda/horizon/releases/tag/v2.7.1
• https://github.com/horizon-eda/horizon/compare/v2.7.0...v2.7.1

• Clarify LICENSE
• Pet portclippy(1) and portfmt(1)

MFH: 2025Q4
Approved by: yuri@ (maintainer, Mentor)
Differential Revision: https://reviews.freebsd.org/D53514

(cherry picked from commit e964c6cbcde89e678d5e79992fc7a2e5a053cd04)