Merge pull request #203 from magmax/dab2dependabot/pip/dot-github/workflows/virtualenv-20.16.0

Bump virtualenv from 20.15.1 to 20.16.0 in /.github/workflows

Author: staticdev

.github/workflows/constraints.txt

@@ -2,4 +2,4 @@ pip==22.2
 nox==2022.1.7
 nox-poetry==1.0.1
 poetry==1.1.14
-virtualenv==20.15.1
+virtualenv==20.16.0