chore(deps): bump virtualenv from 21.2.4 to 21.3.0 (#14756)

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 21.2.4 to 21.3.0.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@21.2.4...21.3.0)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-version: 21.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

ci-constraints-requirements.txt

@@ -248,7 +248,7 @@ urllib3==2.6.3
     # via requests
 uv==0.11.7
     # via nox
-virtualenv==21.2.4
+virtualenv==21.3.0
     # via nox
 zipp==3.23.0 ; python_full_version < '3.10.2'
     # via importlib-metadata