chore: update pytest to v9

[gruebel]

This PR

• the new pytest version only support Python 3.10+ and now properly supports pyproject.toml configs
• also it has now a strict mode, which checks for some typical misconfigurations, like missing marker setup

[gemini-code-assist]

Summary of Changes

Hello @gruebel, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request performs a significant upgrade of the pytest testing framework to its latest major version (v9), along with its associated pytest-asyncio plugin. This update modernizes the test suite's infrastructure by leveraging improved pyproject.toml configuration support and activating a new strict mode to enhance test reliability. A key change is the new requirement for Python 3.10 or newer. Additionally, various other development dependencies have been updated to ensure overall system compatibility and benefit from the latest features and fixes.

Highlights

• Pytest Upgrade: The pytest testing framework has been updated to version 9.0.0 or higher, which now requires Python 3.10+.
• Pytest-Asyncio Upgrade: The pytest-asyncio plugin has been updated to version 1.3.0 or higher to maintain compatibility with the new pytest version.
• Pyproject.toml Configuration: Pytest configuration has been migrated to the [tool.pytest] section in pyproject.toml, improving adherence to modern Python project standards.
• Strict Mode Enabled: The strict mode for pytest has been enabled, which will help identify and prevent common test misconfigurations.
• Dependency Updates: Several other development dependencies managed by uv.lock have been updated to their latest versions.

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[gemini-code-assist]

Code Review

This pull request successfully updates pytest to version 9. The changes correctly migrate the configuration in pyproject.toml from [tool.pytest.ini_options] to the modern [tool.pytest] section, and enables the new strict mode, which is a good practice. The dependencies for pytest and pytest-asyncio are now appropriately version-constrained. The uv.lock file is also updated to reflect these changes. Overall, this is a solid dependency update.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.01%. Comparing base (9fc6121) to head (37ed54e).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@ Coverage Diff @@## main #559 +/- ##
=======================================
Coverage 98.01% 98.01% =======================================
Files 41 41 Lines 1913 1913 =======================================
Hits 1875 1875 Misses 38 38 

Flag	Coverage Δ
unittests	98.01% <ø> (ø)

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[aepfli]

thank you - improving our tool is always a good idea