Add testing for Python 3.13

[asmacdo]

Fixes #157

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.05%. Comparing base (484e0e5) to head (320f0af).
Report is 35 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #202   +/-   ##
=======================================
  Coverage   94.05%   94.05%           
=======================================
  Files           2        2           
  Lines         572      572           
  Branches       66       66           
=======================================
  Hits          538      538           
  Misses         22       22           
  Partials       12       12           

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[asmacdo]

Previously this error was caused by not waiting log enough. but now im skeptical (it could be another reason ps is returning a nonzero)

             if check and retcode:
>               raise CalledProcessError(retcode, process.args,
                                         output=stdout, stderr=stderr)
E               subprocess.CalledProcessError: Command 'ps aux | grep '[s]leep 60.74016230000801'' returned non-zero exit status 1.
/opt/hostedtoolcache/Python/3.13.0/x64/lib/python3.13/subprocess.py:577: CalledProcessError

[yarikoptic]

what was stderr while running it?

is there shell=True?

[yarikoptic]

please try tmate action so you could login into github action environment, and try it
"first hand"

[asmacdo]

Yes shell=True

With tmate action I was able to ssh into the action machine.

      - name: Setup tmate session
        uses: mxschmitt/action-tmate@v3

But ... tox -e py -- -vv --cov-report=xml passed?! I'm not sure what I'm missing here, but this is confusing!

[yarikoptic]

since also desired for conda IIRC, let's merge/release. So merge whenever satisfied (I see some TMP, not sure if still in the queue)