Homebrew requires a separate tap repo named homebrew-*. Binaries still come from pingram-io/cli releases.
Public tap repo: pingram-io/homebrew-cli (Formula/pingram.rb)
brew install pingram-io/cli/pingramOr:
brew tap pingram-io/cli
brew install pingramFormula source of truth in the Pingram monorepo: sdks/cli/homebrew/pingram.rb.