Bump conda-cron CI Python versions

[IAlibay]

Bump Python version to include 3.13 in CI matrix.

Developers certificate of origin

• I certify that this contribution is covered by the MIT License here and the Developer Certificate of Origin at https://developercertificate.org/.

[github-actions]

No API break detected ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.88%. Comparing base (abc987d) to head (b90618c).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #737   +/-   ##
=======================================
  Coverage   98.88%   98.88%           
=======================================
  Files          42       42           
  Lines        2685     2685           
=======================================
  Hits         2655     2655           
  Misses         30       30           

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