Bump pytest-cov from 2.8.1 to 2.10.0

[dependabot-preview]

Bumps pytest-cov from 2.8.1 to 2.10.0.

Changelog

Sourced from pytest-cov's changelog.

2.10.0 (2020-06-12)

• 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.

2.9.0 (2020-05-22)

• Fixed RemovedInPytest4Warning when using Pytest 3.10. Contributed by Michael Manganiello in #354.
• Made pytest startup faster when plugin not active by lazy-importing. Contributed by Anders Hovmöller in #339.
• Various CI improvements. Contributed by Daniel Hahler in #363 and #364.
• Various Python support updates (drop EOL 3.4, test against 3.8 final). Contributed by Hugo van Kemenade in #336 and #367.
• Changed --cov-append to always enable data_suffix (a coverage setting). Contributed by Harm Geerts in #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 #306 and coveragepy#881

Commits

• 694f7fd Bump version: 2.9.0 → 2.10.0
• 4cbd3bb Update changelog.
• 45731f3 Rework assertion to work on old pytest.
• 1689c9a Implement better --no-cov warning: only do it if --no-cov is present before -...
• c5623ec Bump version: 2.8.1 → 2.9.0
• cd6ca2e Update changelog.
• daacd76 Skip horrendous breakage on pypy and windows.
• b1ac198 More blissful ignorance (windows doesn't allow deleting while in cwd use).
• 2612d2c Make test portable.
• fa4bb12 Remove unused var.
• Additional commits viewable in compare view

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[codecov]

Codecov Report

Merging #254 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #254   +/-   ##
=======================================
  Coverage   85.75%   85.75%           
=======================================
  Files          16       16           
  Lines         737      737           
=======================================
  Hits          632      632           
  Misses        105      105           

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[dependabot-preview]

This pull request will no longer be automatically closed when a new version is found as this pull request was created by Dependabot Preview and this repo is using a version: 2 config file. You can close this pull request and let Dependabot re-create it the next time it checks for updates.

[dependabot-preview]

OK, I won't notify you again about this release, but will get in touch when a new version is available.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.