So we can do `PGRST_DB_ANON_ROLE="" postgrest-run` since empty string has meaning. argbash conflates both unset and empty string so this requires a workaround.
So we can do `PGRST_DB_ANON_ROLE="" postgrest-run` since empty string has meaning. argbash conflates both unset and empty string so this requires a workaround.