Remove support for Python 3.7; test support for 3.12 and 3.13

[RalfG]

Added

• Added support for Python 3.12 and 3.13

Removed

• Removed support for Python 3.7

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.06%. Comparing base (22c7b89) to head (ca1dd4d).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #112   +/-   ##
=======================================
  Coverage   69.06%   69.06%           
=======================================
  Files          30       30           
  Lines        2790     2790           
=======================================
  Hits         1927     1927           
  Misses        863      863           

Flag	Coverage Δ
unittests	69.06% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.