Added 3.11 job to tox and github actions config

[Alex-Wengg]

Description

First iteration to help migrate python3.8 -> latest python3.11

[Alex-Wengg]

Not sure why the tests are failing despite many of the fails and errors weren't even relate to the changes i made for python 3.11

[chillipeper]

@Alex-Wengg I see that this change includes the replacement of the asynctest.mock library with the unittest.mock library.

I am curious if there's any reason why both are included under the same PR.

As the library replacement, is quite a large change, I think it might bring some challenges to who ever is reviewing those. My 2 cents here is that it would be cleaner if we treat them as 2 separate changes, if that's even possible of course.

[Alex-Wengg]

@Alex-Wengg I see that this change includes the replacement of the asynctest.mock library with the unittest.mock library.

I am curious if there's any reason why both are included under the same PR.

As the library replacement, is quite a large change, I think it might bring some challenges to who ever is reviewing those. My 2 cents here is that it would be cleaner if we treat them as 2 separate changes, if that's even possible of course.

I was trying to debug the issue as to why the Github Action tests kept failing for this specific repo

[jacobtomlinson]

Sorry this took so long to review. Main CI is passing now so I'm trying to get this up to date.