Drop python3.8 support

[lavigne958]

Overview

drop python3.8 support as it's end of life on 10/2024.

see python version support: https://devguide.python.org/versions/#supported-versions

@alifeee should we announce that change ? could be a major breaking change, so it could be merged in a v7.0.0 so not now but after some time.

[alifeee]

it seems silly to me how quickly Python versions cycle through. it seems not long since we dropped 3.7.

Are there any features that we want to use that we cannot due to having to support Python 3.8?

If not, then I don't really see a good reason to drop support

[lavigne958]

I know it goes very fast.
I think we have mostly some dependencies that won't work with python3.8 so we are stuck with the current version of something like black or may be urllib3 or something, I need to go through the dependabot PRs that failed due to python3.8.

apart from that I don't think we have anything in particular. the idea mostly is to cover most versions but version that are way to old shouldn't be maintained in my opinion.