Support Python 3.14

[andrey-khropov]

Python 3.14 is expected to be released soon (2025-10-07): https://peps.python.org/pep-0745/

[andrey-khropov]

CatBoost python package wheels for python 3.14 are now automatically built in GitHub Actions CI.

[andrey-khropov]

CatBoost packages that are compatible with Python 3.14 are now available in conda (for all platforms except Windows, the Windows version will be enabled together with the next main release on PyPI).

[shalom-aviv]

Hmmm 12/12/25 and no new version in pip (

[andrey-khropov]

Hmmm 12/12/25 and no new version in pip (

The new version is expected by the end of December.