* drop python<=3.7 support
Filter all python code over `pyupgrade --py38-plus`.
Signed-off-by: Tomasz Kłoczko <kloczek@github.com>
* filter all code over `ruff` as well
Signed-off-by: Tomasz Kłoczko <kloczek@github.com>
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Signed-off-by: Tomasz Kłoczko <kloczek@github.com>