chore(deps): update dependency pytest-cov to v3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pytest-cov	^2.8 -> ^3.0

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Release Notes

pytest-dev/pytest-cov

v3.0.0

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Note that this release drops support for Python 2.7 and Python 3.5.

• Added support for Python 3.10 and updated various test dependencies.
  Contributed by Hugo van Kemenade in
  #&#8203;500 <https://github.com/pytest-dev/pytest-cov/pull/500>_.
• Switched from Travis CI to GitHub Actions. Contributed by Hugo van Kemenade in
  #&#8203;494 <https://github.com/pytest-dev/pytest-cov/pull/494>_ and
  #&#8203;495 <https://github.com/pytest-dev/pytest-cov/pull/495>_.
• Add a --cov-reset CLI option.
  Contributed by Danilo Šegan in
  #&#8203;459 <https://github.com/pytest-dev/pytest-cov/pull/459>_.
• Improved validation of --cov-fail-under CLI option.
  Contributed by ... Ronny Pfannschmidt's desire for skark in
  #&#8203;480 <https://github.com/pytest-dev/pytest-cov/pull/480>_.
• Dropped Python 2.7 support.
  Contributed by Thomas Grainger in
  #&#8203;488 <https://github.com/pytest-dev/pytest-cov/pull/488>_.
• Updated trove classifiers. Contributed by Michał Bielawski in
  #&#8203;481 <https://github.com/pytest-dev/pytest-cov/pull/481>_.
• Reverted change for toml requirement.
  Contributed by Thomas Grainger in
  #&#8203;477 <https://github.com/pytest-dev/pytest-cov/pull/477>_.

v2.12.1

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• Changed the toml requirement to be always be directly required (instead of being required through a coverage extra).
  This fixes issues with pip-compile (pip-tools#&#8203;1300 <https://github.com/jazzband/pip-tools/issues/1300>).
  Contributed by Sorin Sbarnea in #&#8203;472 <https://github.com/pytest-dev/pytest-cov/pull/472>.
• Documented show_contexts.
  Contributed by Brian Rutledge in #&#8203;473 <https://github.com/pytest-dev/pytest-cov/pull/473>_.

v2.12.0

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• Added coverage's toml extra to install requirements in setup.py.
  Contributed by Christian Riedel in #&#8203;410 <https://github.com/pytest-dev/pytest-cov/pull/410>_.
• Fixed pytest_cov.__version__ to have the right value (string with version instead of a string
  including __version__ =).
• Fixed license classifier in setup.py.
  Contributed by Chris Sreesangkom in #&#8203;467 <https://github.com/pytest-dev/pytest-cov/pull/467>_.
• Fixed commits since badge.
  Contributed by Terence Honles in #&#8203;470 <https://github.com/pytest-dev/pytest-cov/pull/470>_.

v2.11.1

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• Fixed support for newer setuptools (v42+).
  Contributed by Michał Górny in #&#8203;451 <https://github.com/pytest-dev/pytest-cov/pull/451>_.

v2.11.0

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• Bumped minimum coverage requirement to 5.2.1. This prevents reporting issues.
  Contributed by Mateus Berardo de Souza Terra in #&#8203;433 <https://github.com/pytest-dev/pytest-cov/pull/433>_.
• Improved sample projects (from the examples <https://github.com/pytest-dev/pytest-cov/tree/master/examples>_
  directory) to support running tox -e pyXY. Now the example configures a suffixed coverage data file,
  and that makes the cleanup environment unnecessary.
  Contributed by Ganden Schaffner in #&#8203;435 <https://github.com/pytest-dev/pytest-cov/pull/435>_.
• Removed the empty console_scripts entrypoint that confused some Gentoo build script.
  I didn't ask why it was so broken cause I didn't want to ruin my day.
  Contributed by Michał Górny in #&#8203;434 <https://github.com/pytest-dev/pytest-cov/pull/434>_.
• Fixed the missing coverage context <https://coverage.readthedocs.io/en/stable/contexts.html>_
  when using subprocesses.
  Contributed by Bernát Gábor in #&#8203;443 <https://github.com/pytest-dev/pytest-cov/pull/443>_.
• Updated the config section in the docs.
  Contributed by Pamela McA'Nulty in #&#8203;429 <https://github.com/pytest-dev/pytest-cov/pull/429>_.
• Migrated CI to travis-ci.com (from .org).

v2.10.1

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• Support for pytest-xdist 2.0, which breaks compatibility with pytest-xdist before 1.22.3 (from 2017).
  Contributed by Zac Hatfield-Dodds in #&#8203;412 <https://github.com/pytest-dev/pytest-cov/pull/412>_.
• Fixed the LocalPath has no attribute startswith failure that occurred when using the pytester plugin
  in inline mode.

v2.10.0

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• Improved the --no-cov warning. Now it's only shown if --no-cov is present before --cov.
• Removed legacy pytest support. Changed setup.py so that pytest>=4.6 is required.

v2.9.0

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• Fixed RemovedInPytest4Warning when using Pytest 3.10.
  Contributed by Michael Manganiello in #&#8203;354 <https://github.com/pytest-dev/pytest-cov/pull/354>_.
• Made pytest startup faster when plugin not active by lazy-importing.
  Contributed by Anders Hovmöller in #&#8203;339 <https://github.com/pytest-dev/pytest-cov/pull/339>_.
• Various CI improvements.
  Contributed by Daniel Hahler in #&#8203;363 <https://github.com/pytest-dev/pytest-cov/pull/>_ and
  #&#8203;364 <https://github.com/pytest-dev/pytest-cov/pull/364>_.
• Various Python support updates (drop EOL 3.4, test against 3.8 final).
  Contributed by Hugo van Kemenade in
  #&#8203;336 <https://github.com/pytest-dev/pytest-cov/pull/336>_ and
  #&#8203;367 <https://github.com/pytest-dev/pytest-cov/pull/367>_.
• Changed --cov-append to always enable data_suffix (a coverage setting).
  Contributed by Harm Geerts in
  #&#8203;387 <https://github.com/pytest-dev/pytest-cov/pull/387>_.
• Changed --cov-append to handle loading previous data better
  (fixes various path aliasing issues).
• Various other testing improvements, github issue templates, example updates.
• Fixed internal failures that are caused by tests that change the current working directory by
  ensuring a consistent working directory when coverage is called.
  See #&#8203;306 <https://github.com/pytest-dev/pytest-cov/issues/306>_ and
  coveragepy#&#8203;881 <https://github.com/nedbat/coveragepy/issues/881>_

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