WARNING: MAJOR (BREAKING) CHANGE: Update dependency flake8 to v7 (master)

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
flake8 (changelog)	~=6.1.0 -> >=6.1.0,<7.3

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Could not automerge PR: Changed line is not a simple package update . branch: renovate/master-flake8-7.x. line: +flake8>=6.1.0,<7.3