Drops Python 3.7 support and adds Python 3.11

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.07% :tada:

Comparison is base (5372fdf) 86.36% compared to head (1bb1d4c) 86.43%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #97 +/- ## ========================================== + Coverage 86.36% 86.43% +0.07% ========================================== Files 51 51 Lines 3043 3045 +2 Branches 473 490 +17 ========================================== + Hits 2628 2632 +4 + Misses 278 277 -1 + Partials 137 136 -1 ``` | [Flag](https://app.codecov.io/gh/SciQLop/speasy/pull/97/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=SciQLop) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/SciQLop/speasy/pull/97/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=SciQLop) | `85.77% <ø> (-0.59%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=SciQLop#carryforward-flags-in-the-pull-request-comment) to find out more. [see 4 files with indirect coverage changes](https://app.codecov.io/gh/SciQLop/speasy/pull/97/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=SciQLop)

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.