Update more-itertools to 8.4.0

[pyup-bot]

This PR updates more-itertools from 8.0.0 to 8.4.0.

Changelog

8.4.0

See [the changelog](https://github.com/more-itertools/more-itertools/blob/fc70d910cd2a8579e9b4e5fd38f8a8acf4abb2d7/docs/versions.rst840) for details.

8.3.0

See the [release notes](https://github.com/more-itertools/more-itertools/blob/41a6d0fcc01b29e6c5839979a16a834a7b4d0fd8/docs/versions.rst830) for details.

8.2.0

See the [release notes](https://raw.githubusercontent.com/erikrose/more-itertools/0861bed72ddd4c8ebcfa3a932b7689e272c43478/docs/versions.rst) for details.

8.1.0

See the [release notes](https://github.com/erikrose/more-itertools/blob/ba499fc5f38c7441271c3f147cfd9abbc587556d/docs/versions.rst).

8.0.2

See [the release notes](https://github.com/erikrose/more-itertools/blob/b2c747c2bf642bb9e193a3428bb0052614d420b4/docs/versions.rst802).

8.0.1

See the [release notes](https://github.com/erikrose/more-itertools/blob/765c71b265bb6b34f28fc14500f0f4ab2d3d36ef/docs/versions.rst801) for details.

Links

• PyPI: https://pypi.org/project/more-itertools
• Changelog: https://pyup.io/changelogs/more-itertools/
• Repo: https://github.com/more-itertools/more-itertools
• Docs: https://pythonhosted.org/more-itertools/

[codecov]

Codecov Report

Merging #153 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #153   +/-   ##
=======================================
  Coverage   30.00%   30.00%           
=======================================
  Files           3        3           
  Lines          10       10           
=======================================
  Hits            3        3           
  Misses          7        7           

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[pyup-bot]

Closing this in favor of #171