cahute: migrate to python@3.14

[daeho-ro]

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[Copilot]

Pull Request Overview

This PR migrates the cahute formula from Python 3.13 to Python 3.14, updating both the build dependency and the Python executable reference.

• Updated python@3.13 build dependency to python@3.14
• Updated Python executable string from python3.13 to python3.14

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