Debian/Ubuntu Repo doesn't work

We currently only support the LTS versions of Ubuntu (18 - Bionic Beaver / 20 -
Focal Fossa / 22 - Jammy Jellyfish), as we expect those to be used in a production environment.

https://cdn.crate.io/downloads/deb/stable/dists/

an option might be to use the tarball directly:

This might also be an interesting read, if you want to run CrateDB on an unsupported Linux distro and set up a service: