Support pytest v9

[dhimmel]

Currently pytest version 9 is not supported

pytest-asyncio/pyproject.toml

Line 45 in 03dd96a

"pytest>=8.2,<9",

pytest 9.0.0 release notes

[seifertm]

Thanks for pointing this out. @sanders41 kindly contributed PR #1278 to address this. It's being merged as we speak and a pytest-asyncio release will follow in the next hours.

[seifertm]

pytest-asyncio v1.3.0 adds pytest v9 support and is now available.