Update pytest-xdist to 2.4.0

[pyup-bot]

This PR updates pytest-xdist from 2.3.0 to 2.4.0.

Changelog

2.4.0

===============================

Features
--------

- `696 <https://github.com/pytest-dev/pytest-xdist/issues/696>`_: On Linux, the process title now changes to indicate the current worker state (running/idle).

Depends on the `setproctitle <https://pypi.org/project/setproctitle/>`__ package, which can be installed with ``pip install pytest-xdist[setproctitle]``.

- `704 <https://github.com/pytest-dev/pytest-xdist/issues/704>`_: Add support for Python 3.10.

Links

• PyPI: https://pypi.org/project/pytest-xdist
• Changelog: https://pyup.io/changelogs/pytest-xdist/
• Repo: https://github.com/pytest-dev/pytest-xdist

[codecov]

Codecov Report

Merging #337 (e763005) into master (7a1c5fd) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #337   +/-   ##
=======================================
  Coverage   82.37%   82.37%           
=======================================
  Files          12       12           
  Lines         681      681           
  Branches       80       80           
=======================================
  Hits          561      561           
  Misses        102      102           
  Partials       18       18           

Flag	Coverage Δ
unit	82.37% <ø> (ø)

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[pyup-bot]

Closing this in favor of #368