Support releasing pre-releases

[leggetter]

The current CLI release process supports pre-releases for:

• NPM
• Docker/Linux
• Windows (Scoop)

However, to support multi-versioned cask releases for Mac, we'll need to update to Go Releaser Pro.

I'm considering skipping Homebrew releases for pre-releases and instead asking people to install via an alternative mechanism (e.g., NPM). Currently, all releases, including pre-releases, are distributed as the latest release via Homebrew, and we don't want pre-releases to be the default installed option via Homebrew.