Python 3.7 is not supported since almost 1 year, Debian Buster LTS is ending on 30th June 2024, and github actions only support versions of Python which are not EOL [3].

For all these reasons, I think we can drop the support of Python 3.7.

[1] https://devguide.python.org/versions/
[2] https://www.debian.org/releases/buster/
[3] https://github.com/actions/python-versions?tab=readme-ov-file#support-policy