Bump virtualenv from 20.31.2 to 20.35.3

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.31.2 to 20.35.3.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.31.2...20.35.3)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-version: 20.35.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ botocore
 boto3-stubs
 dspy==2.6.27
 numpy==2.3.2
-virtualenv==20.31.2
+virtualenv==20.35.3
 urllib3==2.5.0
 setuptools==80.9.0
 h11==0.16.0