Log Message:
py-test-virtualenv: updated to 1.8.1

1.8.1 (2024-11-29)
* All: Add a CircleCI Windows build with py3.6-py3.12 and remove references to \ 
TravisCI.
* All: Add Ubuntu builds for py3.6-3.13
* All: CircleCI release jobs now depend on both Ubuntu and Windows success.
* pytest-listener: Use py_modules in setup.py
* pytest-listener: Fix flakiness on py3.9+ on Windows when the receive time was \ 
equal to the clear_time.
* pytest-profiling: Small refactor to make error messages a bit clearer
* pytest-profiling: Fixed tests which were installing from PyPI rather than local
* pytest-profiling: Removed usage of deprecated `pytest.yield_fixture`.
* pytest-profiling: Removed usage of `distutils`, where possible.
* pytest-server-fixtures: Correct httpd command line
* pytest-server-fixtures: Minor bugfix now that workspace.workspace is a Path object.
* pytest-virtualenv: Added default to install editable packages by using \ 
direct_url.json, if it exists
* pytest-virtualenv: Fixed Windows compatibility issues
* ci: Remove custom hooks from `python setup.py test` since this is no longer \ 
supported.
* ci: Fix build-related buttons in README.md.