CI maintenance

[keewis]

Looks like CI has not been touched in a while, it was still using the deprecated / unmaintained provision-with-micromamba action, together with old(er) versions of python.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.60%. Comparing base (e19f47a) to head (613fb85).

❗ Current head 613fb85 differs from pull request most recent head 10dfba3. Consider uploading reports for the commit 10dfba3 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #161   +/-   ##
=======================================
  Coverage   77.60%   77.60%           
=======================================
  Files           3        3           
  Lines         326      326           
  Branches       61       61           
=======================================
  Hits          253      253           
  Misses         48       48           
  Partials       25       25           

Flag	Coverage Δ
unittests	77.30% <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.