dev(hansbug): add unittest for py13

[HansBug]

For #111

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.20%. Comparing base (f0b9c37) to head (b6e15b0).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #112   +/-   ##
=======================================
  Coverage   99.20%   99.20%           
=======================================
  Files         113      113           
  Lines        3541     3544    +3     
=======================================
+ Hits         3513     3516    +3     
  Misses         28       28           

Flag	Coverage Δ
unittests	99.20% <100.00%> (+<0.01%)	⬆️

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[HansBug]

some newest findings:

1. pypy-3.11 still not supported
2. py13 will down due to the telnetlib, mentioned in issue Python 3.13 support? #111
3. others seems to be okay