Update pytest-flake8 to 1.3.0

[pyup-bot]

This PR updates pytest-flake8 from 1.0.2 to 1.3.0.

Changelog

1.3.0

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Features
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- Compatible for Flake8 from version ``flake8>=4``. (4)

1.2.2

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Bugfixes
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- Pin to flake8<6 as it's incompatible. (2)
- Remove reference to py.builtin in tests. (2)
- Disabled the 'enabler' plugin when running tests. (2)

1.2.1

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Bugfixes
--------

- Declare minimum flake8 as v5. (1)

1.2.0

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Features
--------

- Adopted jaraco/skeleton for packaging.

1.1.3

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- Fixed compatibility with flake8 v5. Now requires flake8 v5 or later.
- More cleanup in the README.

1.1.2

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- Revived project and relocated to
`coherent-oss <https://github.com/coherent-oss/pytest-flake8>`_.
- Refreshed project metadata.

1.1.1

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- Update classifiers to indicate older versions are no longer supported
- No longer use deprecated pytest constructs
- Bump requirements to more accurately indicate what is currently needed

1.1.0

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- Drop Python 2 support and dependency on py; from erikkemperman
- Drop support for Python 3.5, 3.6
- Stop testing on Python versions prior to 3.7
- Add a `flake8-max-doc-length` option; from rodrigomologni
- Fix some minor typos; from kianmeng

1.0.7

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- Implement collect() for Flake8Item; from thomascobb
- Document skipping behavior in README; from jpyams

1.0.6

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- Fix compatibility with flake8 >= 3.8, from marc

1.0.5

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- Fix deprecation warning; from jonasundderwolf

1.0.4

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- Support flake8 3.7+ by checking existence of "app.make_notifier";
from jirikuncargithub
- More fixes for Travis CI -- properly specify Python versions, in
particular for pypy (and fix a typo)

1.0.3

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- Don't use long deprecated functions from pytest, broke with pytest 4.1.0
- Fix typo that caused some tests to not run as expected
- Run Travis CI tests against Python 3.7, and fix some issues with current tox

Links

• PyPI: https://pypi.org/project/pytest-flake8
• Changelog: https://data.safetycli.com/changelogs/pytest-flake8/