Replace black and flake8 with ruff and pre-commit

[utapyngo]

Add Python 3.13 support

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (6a83767) to head (30a55a0).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##            master       #19   +/-   ##
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  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           99        93    -6     
  Branches        25        26    +1     
=========================================
- Hits            99        93    -6     

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[Copilot]

Pull Request Overview

This PR migrates the project’s linting and formatting tools from black and flake8 to ruff while adding support for Python 3.13. Key changes include:

• Switching from black/flake8 to ruff in configuration files and GitHub Actions.
• Updating test files and internal type hints to accommodate newer Python versions.
• Refactoring file handling in setup.py to use pathlib.

Reviewed Changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
tests/test_unordered.py	Updated imports, type hints, and parameter styles for pytest tests.
setup.py	Refactored file reading using pathlib instead of codecs.
pytest_unordered/init.py	Adjusted type annotations and error messages in UnorderedList.
pyproject.toml	Configured ruff settings to replace black.
CHANGELOG.md	Updated changelog to reflect tooling changes and Python 3.13 support.
.pre-commit-config.yaml	Added pre-commit hooks for ruff and mypy.
.github/workflows/test.yml	Replaced black and flake8 CI steps with pre-commit based linting.

Files not reviewed (1)

• tox.ini: Language not supported