publish to crates.io

[samuela]

Currently blocked on

❯ cargo publish --dry-run
    Updating crates.io index
error: all dependencies must have a version specified when publishing.
dependency `pty-process` does not specify a version
Note: The published dependency will use the version from crates.io,
the `git` specification will be removed from the dependency declaration.

which is blocked on doy/pty-process#8