chore: update readme for logging#307

vchudnov-g merged 2 commits intomaingoogleapis/python-dns:mainfrom

owl-bot-update-lock-58dd193e1be3f5f02276cdf222ed7f8dfc3be1f163488aea767bcf35a0e2b0cdgoogleapis/python-dns:owl-bot-update-lock-58dd193e1be3f5f02276cdf222ed7f8dfc3be1f163488aea767bcf35a0e2b0cdCopy head branch name to clipboard