chore: [pre-commit.ci] pre-commit autoupdate

[pre-commit-ci]

updates:

• github.com/pre-commit/pre-commit-hooks: v3.4.0 → v4.0.1
• github.com/psf/black: 21.5b1 → 21.6b0
• github.com/pycqa/isort: 5.8.0 → 5.9.1
• github.com/asottile/pyupgrade: v2.15.0 → v2.20.0
• github.com/nbQA-dev/nbQA: 0.8.0 → 0.13.1

* Update pre-commit hooks:
   - github.com/pre-commit/pre-commit-hooks: v3.4.0 → v4.0.1
   - github.com/psf/black: 21.5b1 → 21.6b0
   - github.com/pycqa/isort: 5.8.0 → 5.9.1
   - github.com/asottile/pyupgrade: v2.15.0 → v2.20.0
   - github.com/nbQA-dev/nbQA: 0.8.0 → 0.13.1
* Revise pre-commit hook order given linear execution
   - pre-commit hooks execute in order of definition in .pre-commit-config.yaml, so hooks that can change the codebase should execute before linter hooks

[codecov]

Codecov Report

Merging #96 (9f50ab8) into master (909f513) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #96   +/-   ##
=======================================
  Coverage   60.89%   60.89%           
=======================================
  Files           2        2           
  Lines         202      202           
  Branches       36       36           
=======================================
  Hits          123      123           
  Misses         72       72           
  Partials        7        7           

Flag	Coverage Δ
unittests	60.89% <ø> (ø)

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