[CI] Remove py3.13 CI (hotfix)

[sotetsuk]

#1298 #1299

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.37%. Comparing base (7932e97) to head (df47461).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1301      +/-   ##
==========================================
- Coverage   80.43%   80.37%   -0.07%     
==========================================
  Files          63       63              
  Lines        5924     5921       -3     
==========================================
- Hits         4765     4759       -6     
- Misses       1159     1162       +3     

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