Bump virtualenv from 20.8.1 to 20.9.0 in /.github/workflows#1018

cjolowicz merged 1 commit intomaincjolowicz/cookiecutter-hypermodern-python:mainfrom

dependabot/pip/dot-github/workflows/virtualenv-20.9.0cjolowicz/cookiecutter-hypermodern-python:dependabot/pip/dot-github/workflows/virtualenv-20.9.0Copy head branch name to clipboard