What does certbot have to do with snaps..? You have all the options of container, build from source, download a binary release, get it from apt (or what have you) repos.
https://packages.debian.org/buster/certbot
You seem confused.
If you are on x86 and use a distribution with glibc I wouldn't expect any problems.
They're even listed as alternative methods here: https://certbot.eff.org/docs/install.html
I wish at least one of the other people downvoting my comment would pipe in to what their issue is, or what I could be missing.
And yes, I've encountered the cryptography-switched-to-rust-thing in various other scenarios.