Merge pull request #252 from stac-utils/dependabot/pip/dot-github/workflows/virtualenv-20.19.0

Bump virtualenv from 20.17.1 to 20.19.0 in /.github/workflows

Author: philvarner

.github/workflows/constraints.txt

@@ -2,4 +2,4 @@ pip==22.3.1
 nox==2022.11.21
 nox-poetry==1.0.2
 poetry~=1.3.2
-virtualenv==20.17.1
+virtualenv==20.19.0