Drop Python 3.10 support

[stefmolin]

Python 3.10 is EOL next month, so drop support for the next release.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.55%. Comparing base (d4170c0) to head (9a53145).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #341   +/-   ##
=======================================
  Coverage   99.55%   99.55%           
=======================================
  Files          86       86           
  Lines        2234     2234           
  Branches      136      136           
=======================================
  Hits         2224     2224           
  Misses          8        8           
  Partials        2        2           

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