The new version fixes compatibility with trio 0.22 which we already have in Fedora.
https://src.fedoraproject.org/rpms/python-pytest-trio/pull-request/2
This bug appears to have been reported against 'rawhide' during the Fedora Linux 38 development cycle. Changing version to 38.
Version 0.8.0 is in rawhide and F38.