Bump virtualenv from 20.26.3 to 20.26.5

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.26.3 to 20.26.5.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.26.3...20.26.5)

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

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

requirements/production.txt

@@ -18,4 +18,4 @@ pip==24.2
 psycopg2==2.9.9
 pytz==2023.3
 sentry-sdk==1.25.1
-virtualenv==20.26.3
+virtualenv==20.26.5