Switch test runner to pytest

[lunkwill42]

And add generation of XML test reports while I'm at it.

Fixes #32.

[sonarcloud[bot]]

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No Coverage information
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[codecov[bot]]

Codecov Report

Merging #33 (05e823a) into main (f140df8) will not change coverage. Report is 3 commits behind head on main. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #33   +/-   ##
=======================================
  Coverage   71.12%   71.12%           
=======================================
  Files          13       13           
  Lines        1136     1136           
=======================================
  Hits          808      808           
  Misses        328      328           

Files	Coverage Δ
src/zinolib/controllers/zino1.py	70.86% <100.00%> (ø)

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[github-actions[bot]]

Test results

    3 files      3 suites   41s :stopwatch:   51 tests   51 :heavy_check_mark: 0 :zzz: 0 :x: 153 runs  153 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit 05e823ab.

:recycle: This comment has been updated with latest results.

[hmpf]

Already merged earlier in #34 (this one wasn't on the kanban!)