CLI release process (#98)
* Rename ns: garden -> nextjournal.garden-cli
* Remove dependency on deps-new
* Set :min-bb-version
* Commit CLI version in resources/VERSION
* Build standalone CLI for all architectures
* Build CLI launcher using system bb
* Only run CLI CI on main and version tags
* Package CLI for nix
* Package CLI for homebrew
* No need for full git history in CLI CI
* Automatically tag releases when resources/VERSION changes
* Rename secret
* Use classic tokens and document CLI release process
