Require Python 3.10+

[eboileau]

Aims/objectives.

We currently have >=3.7,<3.11, but I would like to re-install with >=3.10. Python 3.7 is EOL, and 3.10 is the last security. This might also help to simplify type hinting/checking, etc. But first I need to thoroughly check that this does not affect other dependencies. It's time to do that now, before the code base grows too much.

A clear and concise description of todo items.

• [x] requires-python should be at least 3.10.

[eboileau]

requires-python = ">=3.10,<3.13".