Dynamic Password Support in PgClient for RDS Connections

  return new pg.Pool({
    host,
    port,
    database,
    user,
    password: getAuthToken, // () => Promise<string>
  })

    return PgClient.layer({
      host,
      port,
      database,
      username,
      password: ???, // Redacted.Redacted<string> | undefined
    })