gobject-introspection: migrate to [email protected]

[cho-m]

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[Copilot]

Pull Request Overview

This PR migrates the gobject-introspection formula from Python 3.13 to Python 3.14, updating both the dependency declaration and the virtual environment creation to use the newer Python version.

• Updated Python dependency from [email protected] to [email protected]
• Updated virtualenv creation to use python3.14 instead of python3.13

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