Bump virtualenv from 20.26.3 to 20.31.2 (#805)

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.26.3 to 20.31.2.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.26.3...20.31.2)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-version: 20.31.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -88,7 +88,7 @@ typing_extensions==4.12.2
 tzdata==2024.1
 urllib3==2.2.2
 vine==5.1.0
-virtualenv==20.26.3
+virtualenv==20.31.2
 wcwidth==0.2.13
 whitenoise==6.7.0
 yarl==1.9.4