On Apple Silicon brew installs to /opt/homebrew/bin/brew by [default](https://docs.brew.sh/FAQ#why-should-i-install-homebrew-in-the-default-location). This causes [fetchInstalledVersion()](https://github.com/nerdsupremacist/Graphaello/blob/d99814aff1c3089f5a9c42bbfd218cb35c9a05aa/Sources/Graphaello/Commands/checkVersion.swift#L29) to fail.
On Apple Silicon brew installs to /opt/homebrew/bin/brew by default. This causes fetchInstalledVersion() to fail.