revert to windows-latest in CI config

[cchwala]

In #109 we did set windows-2022 in the ci config because of strange errors in CI. This PR is here to set it back to windows-latest, assuming that the errors are cause by some config problems on the side of Github with the windows runners...

We should just rerun CI from time to time to check.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.88%. Comparing base (2c3c759) to head (6b5e6c5).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #111   +/-   ##
=======================================
  Coverage   98.88%   98.88%           
=======================================
  Files           7        7           
  Lines         808      808           
=======================================
  Hits          799      799           
  Misses          9        9           

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[cchwala]

Update: I reran the failed CI runs and now everything works also for windows. I will wait till no PRs are close to being merged and then merge this one.

[cchwala]

I wanted to merge this now, but though it is better to rerun CI again. Now test fail again on Windows...