1742609 - [wpt-sync] Sync PR 31719 - Update sphinx-autobuild to 2021.3.14

Status: NEW

(Testing :: web-platform-tests, task, P4)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 31719 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/web-platform-tests/wpt/pull/31719
Details from upstream follow.

pyup-bot <[e-mail]> wrote:

Update sphinx-autobuild to 2021.3.14

This PR updates sphinx-autobuild from 0.7.1 to 2021.3.14.

<details>
<summary>Changelog</summary>

### 2020.09.01
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-----------------------

• Adopt Calendar Versioning.
• Modernize codebase and require Python 3.6+.
• Directly depend on sphinx.
• Rewritten documentation.
• Invoke sphinx via {sys.executable} -m sphinx instead of sphinx-build.
• Trim dependencies down to only livereload and sphinx.
• Drop custom adapter for watchdog.
• Drop --poll flag.
• Drop single letter variants for flags that were specific to sphinx-autobuild.

</details>

<details>
<summary>Links</summary>

• PyPI: https://pypi.org/project/sphinx-autobuild
• Changelog: https://pyup.io/changelogs/sphinx-autobuild/
• Repo: https://github.com/executablebooks/sphinx-autobuild
  </details>