F42 Change Proposal: Deprecate pam-ssh-agent component (self-contained)

[dbelyavs (Dmitry Belyavskiy)]

I’d strongly prefer having pam_rssh packaged, but we need to package some crates for this purposes. GitHub - neverpanic/pam_rssh: RPM package for pam_rssh is an naïve attempt to package it by @clang but it doesn’t fit Fedora requirements for Rust packages