Bump pytest-cov from 2.12.0 to 2.12.1

[dependabot[bot]]

Bumps pytest-cov from 2.12.0 to 2.12.1.

Changelog

Sourced from pytest-cov's changelog.

2.12.1 (2021-06-01)

• 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#1300 <https://github.com/jazzband/pip-tools/issues/1300>). Contributed by Sorin Sbarnea in [#472](https://github.com/pytest-dev/pytest-cov/issues/472) <https://github.com/pytest-dev/pytest-cov/pull/472>.
• Documented show_contexts. Contributed by Brian Rutledge in [#473](https://github.com/pytest-dev/pytest-cov/issues/473) <https://github.com/pytest-dev/pytest-cov/pull/473>_.

Commits

• 67d49b9 Bump version: 2.12.0 → 2.12.1
• 3685acb Use 2019 image for pypy.
• df20c97 Looks like I got the images wrong.
• 17252e0 Remove unnecessary pin.
• ac7cc91 Update changelog.
• 34edfa1 Avoid using toml as extra (#472)
• edc60bb Document show_contexts (#473)
• 297965e Update appveyor envs. Workaround pypy install problem.
• See full diff in compare view

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[codecov-commenter]

Codecov Report

Merging #171 (a32e9d7) into master (d4cdc62) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #171   +/-   ##
=======================================
  Coverage   73.40%   73.40%           
=======================================
  Files           8        8           
  Lines         613      613           
  Branches       87       87           
=======================================
  Hits          450      450           
  Misses        139      139           
  Partials       24       24           

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[dependabot[bot]]

Superseded by #201.