chore(deps): update dependency flake8 to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
flake8 (changelog)	^4.0.1 -> ^5.0.0

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Release Notes

pycqa/flake8

v5.0.4

Compare Source

v5.0.3

Compare Source

v5.0.2

Compare Source

v5.0.1

Compare Source

v5.0.0

Compare Source

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Configuration

📅 Schedule: Branch creation - "every weekend" in timezone Asia/Tokyo, Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ 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, click this checkbox.

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[codecov]

Codecov Report

Merging #31 (f59cae5) into main (a714e54) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #31   +/-   ##
=======================================
  Coverage   94.39%   94.39%           
=======================================
  Files           4        4           
  Lines         214      214           
=======================================
  Hits          202      202           
  Misses         12       12           

Flag	Coverage Δ
unittests	94.39% <ø> (ø)

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