tools/unittests (Python 3.12) are failing

[OrKoN]

py312-sauce: install_deps> python -I -m pip install -r /home/test/web-platform-tests/tools/wptrunner/../requirements_pytest.txt -r /home/test/web-platform-tests/tools/wptrunner/requirements.txt -r /home/test/web-platform-tests/tools/wptrunner/requirements_sauce.txt
py312-sauce: install_package> python -I -m pip install --force-reinstall --no-deps /home/test/web-platform-tests/tools/wptrunner/.tox/.tmp/package/6/wptrunner-1.14.tar.gz
py312-sauce: commands[0]> pytest -c/home/test/web-platform-tests/tools/wptrunner/../pytest.ini --rootdir=/home/test/web-platform-tests/tools/wptrunner
/home/test/web-platform-tests/tools/wptrunner/.tox/py312-sauce/lib/python3.12/site-packages/_pytest/config/__init__.py:331: PluggyTeardownRaisedWarning: A plugin raised an exception during an old-style hookwrapper teardown.

Plugin: helpconfig, Hook: pytest_cmdline_parse

ConftestImportFailure: TypeError: field() got an unexpected keyword argument 'alias' (from /home/test/web-platform-tests/tools/conftest.py)

For more information see https://pluggy.readthedocs.io/en/stable/api_reference.html#pluggy.PluggyTeardownRaisedWarning

  config = pluginmanager.hook.pytest_cmdline_parse(

ImportError while loading conftest '/home/test/web-platform-tests/tools/conftest.py'.

../conftest.py:6: in <module>

    from hypothesis import settings, HealthCheck

.tox/py312-sauce/lib/python3.12/site-packages/hypothesis/__init__.py:57: in <module>

    run()

.tox/py312-sauce/lib/python3.12/site-packages/hypothesis/entry_points.py:35: in run

    hook = entry.load()

.tox/py312-sauce/lib/python3.12/site-packages/trio/__init__.py:23: in <module>

    from ._core import TASK_STATUS_IGNORED as TASK_STATUS_IGNORED  # isort: split

.tox/py312-sauce/lib/python3.12/site-packages/trio/_core/__init__.py:21: in <module>

    from ._local import RunVar, RunVarToken

.tox/py312-sauce/lib/python3.12/site-packages/trio/_core/_local.py:9: in <module>

    from . import _run

.tox/py312-sauce/lib/python3.12/site-packages/trio/_core/_run.py:298: in <module>

    class CancelStatus:

.tox/py312-sauce/lib/python3.12/site-packages/trio/_core/_run.py:330: in CancelStatus

    _scope: CancelScope = attrs.field(alias="scope")

E   TypeError: field() got an unexpected keyword argument 'alias'

see #46348