dependabot: bump virtualenv from 20.26.2 to 20.27.1

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.26.2 to 20.27.1.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.26.2...20.27.1)

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

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

requirements-dev.txt

@@ -92,7 +92,7 @@ urllib3==2.2.2
     # via
     #   botocore
     #   requests
-virtualenv==20.26.2
+virtualenv==20.27.1
     # via pre-commit
 zipp==3.20.2
     # via mlinfra (pyproject.toml)