Use ruff for flake8

Based on !2281 (merged)

I migrated the rules currently, but removed flake8-copyright since we don't have any copyright mentions in our codebase.

changed milestone to %Ruff linting/formatting

added P3 label

assigned to @yschneider

approved this merge request

approved this merge request

requested review from @erouchet

added 16 commits

• 5a29e4be...c76fdeeb - 15 commits from branch master
• b9747191 - Use ruff for flake8, remove unnecessary flake8-copyright

Compare with previous version

added 5 commits

• b9747191...b15c780e - 4 commits from branch master
• 4d2e9973 - Merge branch 'master' into 'use-ruff-for-flake8'

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enabled an automatic merge when the pipeline for 4d2e9973 succeeds

merged

mentioned in issue #1746 (closed)