Modernization

[sveinbjornt]

• Linting with ruff in CI
• Version bump to 4.1.1
• pyproject.toml tweaks

[Copilot]

Pull Request Overview

This PR modernizes the project's development tooling and Python version support. The changes include adding explicit support for Python 3.14, replacing Black with Ruff for linting, and updating the version to 4.1.1.

Key changes:

• Added Python 3.14 support to classifiers and CI matrix
• Replaced Black with Ruff for code formatting and linting
• Updated CI workflow to include Ruff linting step

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
pyproject.toml	Added Python 3.14 classifier, version bump to 4.1.1, replaced Black config with Ruff lint configuration
.github/workflows/python-package.yml	Updated Python version matrix to include 3.14.0-beta.4, added Ruff linting step, switched from pip to uv for tool installation

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