chore(deps): bump virtualenv from 20.27.1 to 20.28.0 (#12040)

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.27.1 to 20.28.0.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.27.1...20.28.0)

---
updated-dependencies:
- dependency-name: virtualenv
  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

@@ -296,7 +296,7 @@ uv==0.5.4 ; python_full_version >= '3.8'
     # via nox
 virtualenv==20.26.6 ; python_full_version < '3.8'
     # via nox
-virtualenv==20.27.1 ; python_full_version >= '3.8'
+virtualenv==20.28.0 ; python_full_version >= '3.8'
     # via nox
 webencodings==0.5.1 ; python_full_version < '3.8'
     # via bleach