Remove most deprecated typing.List usage

[correctmost]

PR Description:

typing.List is deprecated:

• https://docs.python.org/3/library/typing.html#typing.List
• https://docs.astral.sh/ruff/rules/deprecated-import/

This PR doesn't touch some disk-related code to avoid merge conflicts with #2775 .

Follow-up to #2673.

Tests and Checks

• [ ] I have tested the code!