Move flake8 to pre-commit hooks

[ulgens]

Depends on:

• Check pre-commit hooks in CI #186

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (99426e7) to head (50158a8).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #187   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           11        11           
  Lines          400       400           
  Branches        54        54           
=========================================
  Hits           400       400           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.