"Release version 1.8.1."

Changelog <http://keepachangelog.com/en/1.0.0/>`__ and this project

adheres to `Semantic Versioning <http://semver.org/spec/v2.0.0.html>`__.

v1.8.1 (2023-10-19)

-------------------

Fix

~~~

- Remove warning about language not set.

  Part of #40186

- Add how to start the systemd timers.

  and clarify the replace the cron jobs.

  Closes #40186

- Add how to read bwfiles from dirauth.

  which option to use in torrc and how to fix permissions.

  Part of #40186

- How to run https server in testing network.

  using a self-signed certificate or an http server in localhost.

  Part of #40186

- CI: Remove python 3.7 since it's now EOL.

  Closes #40180

- Generate Add read permissions to v3bw files.

  so that other users (tor or rsyc) can read them.

  This has been introduced by #40162 fix, to avoid that they could be

  overwritten via symlinks.

  Now they can still be read, but can't be overwritten.

  Closes #40179

- Typos.

v1.8.0 (2023-09-13)

-------------------