Add 3.14 support

[paddyroddy]

https://docs.python.org/3.14/whatsnew/3.14.html

[Copilot]

Pull Request Overview

This PR adds support for Python 3.14 to the project configuration and CI/CD workflows. The changes update build matrices, classifiers, and deployment configurations to include the new Python version.

• Added Python 3.14 to package classifiers and test environments
• Updated CI workflows to test against Python 3.14
• Modified deployment and documentation workflows to use Python 3.14

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
pyproject.toml	Added Python 3.14 classifier and test environment configurations
.github/workflows/test.yaml	Updated test matrix to include Python 3.14 and changed macOS/Windows to use 3.14
.github/workflows/documentation.yaml	Changed Python version from 3.13 to 3.14 for documentation builds
.github/workflows/deploy.yaml	Updated deployment workflow to use Python 3.14 instead of 3.13

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