sysutils/limine: update to 7.9.2
Don't copy COPYING to DOCSDIR.
Changelog: https://github.com/limine-bootloader/limine/blob/v7.x/ChangeLog
PR: 279944
Approved by: submitter is maintainer
(cherry picked from commit bb01c014fdf6c04395fa58717117b6faa134e6a5)