https://blog.dbrgn.ch/2021/11/16/git-ssh-signatures/
commit d13ffc3c7f0479866f040cbcab7efb2fc83cc1a5 Author: Frank Ch. Eigler <fche@redhat.com> Date: Wed Oct 30 20:22:14 2024 -0400 gitsigur: add ssh signature checking support