Update dependency flake8 to v6.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
flake8 (changelog)	==6.0.0 -> ==6.1.0

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Release Notes

pycqa/flake8 (flake8)

### [`v6.1.0`](https://togithub.com/pycqa/flake8/compare/6.0.0...6.1.0) [Compare Source](https://togithub.com/pycqa/flake8/compare/6.0.0...6.1.0)

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Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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[codecov[bot]]

Codecov Report

Merging #136 (fa9a883) into master (4a6463c) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #136   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            8         8           
  Lines          377       377           
  Branches        72        72           
=========================================
  Hits           377       377           

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