Bump virtualenv from 20.26.2 to 20.26.6 (#3053)

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.26.2 to 20.26.6.
- [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...20.26.6)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

dev-requirements.txt

@@ -551,7 +551,7 @@ urllib3==2.2.1
     #   kubernetes
     #   requests
     #   types-requests
-virtualenv==20.26.2
+virtualenv==20.26.6
     # via pre-commit
 wcwidth==0.2.13
     # via prompt-toolkit