update: less

[dongsupark]

Name: less
CVEs: less-20260606
CVSSs: n/a
Action Needed: update to >= 704

Summary:

These are the differences between version 702 and version 704:

• Fix possibly passing unsafe options to man when opening an OSC 8 link (github #779).
• Fix possibly sending unsafe OSC sequence to terminal when file contains an unterminated OSC sequence (github #781).
• In Examine and Shell commands, expand % and # to shell-escaped filenames (github #784).

refmap.gentoo: https://bugs.gentoo.org/976977