v2.0.0

Changed

• Remove keyring entirely and use config json #115 (@lox)
• Prefer /usr/bin/env bash #124 (@wpcarro)
• BUILDKITE_PIPELINE_DEFAULT_BRANCH configurable #125 (@wpcarro)

Fixed

• golang.org/x/sys updated, was broken with Go 1.18 on macOS #131 (@pda)
• local: emoji branch updated from "master" to "main" #129 (@kevinburke)
• Update the URLs for emoji data [FDN-548] #130 (@yob)
• README instructs correct brew install command #117 (@l-suzuki)