Matches https://github.com/ilyagr/pijul-clone as of now, might become out of sync

Migrate from `pijul::remote` to `pijul_remote`

The final crate to be split out! Mostly another find+replace from crate::remote to pijul_remote.

Created by  finchie  on August 17, 2023
3OPNBBAUOQ4AAENJ7YI7TCAQ5ZUVNMDPD2AN2KTL3KTOW5A2V6BAC
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