GitHub Actions Environment Setup

 gh variable set mastodon_api_base_url --body "https://mastodon.social"
 gh variable set max_toots_per_execution --body 1
 gh variable set bsky_username --body homebrew-new-pkgs.bsky.social
 gh variable set max_skeets_per_execution --body 1
 gh secret set --app actions --body REDACTED mastodon_access_token
 gh secret set --app actions --body REDACTED mastodon_client_secret
 gh secret set --app actions --body REDACTED bsky_password