Bump virtualenv from 20.29.2 to 20.29.3

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.29.2 to 20.29.3.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.29.2...20.29.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements-dev.txt

@@ -62,7 +62,7 @@ pyyaml==6.0.2
     # via pre-commit
 typing-extensions==4.12.2
     # via mypy
-virtualenv==20.29.2
+virtualenv==20.29.3
     # via pre-commit
 werkzeug==3.1.3
     # via flask