chore: add Python 3.14 to pyproject.toml classifiers

[awsarron]

Description

Add Python 3.14 to pyproject.toml classifiers.

Related Issues

N/A

Documentation PR

N/A

Type of Change

• Chore

Testing

• hatch fmt --linter
• hatch fmt --formatter
• hatch test --all

Checklist

• I have read the CONTRIBUTING document
• [N/A] I have added tests that prove my fix is effective or my feature works
• [N/A] I have updated the documentation accordingly
• [N/A] I have added an appropriate example to the documentation to outline the feature
• My changes generate no new warnings
• Any dependent changes have been merged and published

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