chore(deps): update dependency flake8 to v7

This MR contains the following updates:

Package	Update	Change
flake8 (changelog)	major	==3.7.7 -> ==7.3.0

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Release Notes

pycqa/flake8 (flake8)

v7.3.0

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v7.2.0

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v7.1.2

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v7.1.1

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v7.1.0

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v7.0.0

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v6.1.0

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v6.0.0

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v5.0.4

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v5.0.3

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v5.0.2

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v5.0.1

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v5.0.0

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v4.0.1

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v4.0.0

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v3.9.2

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v3.9.1

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v3.9.0

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v3.8.4

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v3.8.3

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v3.8.2

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v3.8.1

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v3.8.0

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v3.7.9

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v3.7.8

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Configuration

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