chore(deps): Bump virtualenv from 20.15.1 to 20.16.0 in /.github/work…

…flows (#860)

chore(deps): Bump virtualenv in /.github/workflows

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.15.1 to 20.16.0.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.15.1...20.16.0)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/constraints.txt

@@ -1,5 +1,5 @@
 pip==22.2
 poetry==1.1.14
-virtualenv==20.15.1
+virtualenv==20.16.0
 nox==2022.1.7
 nox-poetry==1.0.1