drop py3.8, support 3.11

[alessandrofelder]

Description

What is this PR

• [ ] Bug fix
• [ ] Addition of a new feature
• [x] Other

Why is this PR needed? We adhere to NEP 29 (and support for 3.8 was causing me problems cross-Python-version compatibility with importlib.resources in #91 )

What does this PR do? Drop Python 3.8 support and optimistically support 3.11 (napari supports 3.11 for a few months now, I think).

References

Closes #102

How has this PR been tested?

Is this a breaking change?

Yes, for Python 3.8 users.

Does this PR require an update to the documentation?

Adherence to NEP 29 already official in our developer conventions, so no.

Checklist:

• [x] The code has been tested locally
• [n/a] Tests have been added to cover all new functionality (unit & integration)
• [n/a] The documentation has been updated to reflect any changes
• [x] The code has been formatted with pre-commit

[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (d353a1e) 97.30% compared to head (a204460) 97.30%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #101 +/- ## ======================================= Coverage 97.30% 97.30% ======================================= Files 7 7 Lines 371 371 ======================================= Hits 361 361 Misses 10 10 ```

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