feat: replace poetry with uv and drop support for python 3.8/3.9

[danfimov]

closes #24

Features:

• Replaced poetry with uv
• Deleted support for python 3.8/3.9 and added 3.13 to test suit

Mics:

• Updated dev dependency versions;
• Deleted pytest.mark.anyio marks in favor of anyio_mode=auto config option.
• Added licence to distribution

[Copilot]

Pull Request Overview

This PR modernizes the project's tooling by replacing Poetry with uv for dependency management and build processes, while also dropping support for Python 3.8/3.9 and adding Python 3.13 support. The changes include updating the project configuration, modernizing Python type hints to use PEP 604 syntax (union operator |), removing redundant pytest.mark.anyio decorators in favor of configuration-based auto-detection, and adding an MIT license to the distribution.

Key Changes

• Migration from Poetry to uv for dependency management and building
• Python version support updated to 3.10-3.13 (dropping 3.8 and 3.9)
• Type hints modernized throughout the codebase to use | syntax instead of Union
• Test configuration simplified with anyio_mode = "auto" in pytest config

Reviewed Changes

Copilot reviewed 17 out of 19 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
pyproject.toml	Complete migration from Poetry to uv format with project metadata, dependency groups, and build configuration
poetry.lock	Removed Poetry lock file entirely
tests/*.py	Modernized type hints and removed explicit @pytest.mark.anyio decorators
taskiq_nats/*.py	Updated type hints to use modern union syntax and adjusted type ignore comments
.github/workflows/*.yaml	Updated CI/CD workflows to use uv instead of Poetry
.pre-commit-config.yaml	Updated pre-commit hooks to use uv for running tools
docker-compose.yml	Removed deprecated version field
README.md	Fixed typos ("betwee" → "between")
LICENSE	Added MIT license file

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