build(deps): bump virtualenv from 20.25.1 to 20.26.6

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.25.1 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@20.25.1...20.26.6)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-type: direct:production
...

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

requirements.txt

@@ -94,7 +94,7 @@ tox==4.14.1 ; python_version >= "3.10" and python_version < "3.12"
 traitlets==5.14.2 ; python_version >= "3.10" and python_version < "3.12"
 triton==2.2.0 ; platform_system == "Linux" and platform_machine == "x86_64" and python_version < "3.12" and python_version >= "3.10"
 typing-extensions==4.10.0 ; python_version >= "3.10" and python_version < "3.12"
-virtualenv==20.25.1 ; python_version >= "3.10" and python_version < "3.12"
+virtualenv==20.26.6 ; python_version >= "3.10" and python_version < "3.12"
 wcwidth==0.2.13 ; python_version >= "3.10" and python_version < "3.12"
 wrapt==1.16.0 ; python_version >= "3.10" and python_version < "3.12"
 zipp==3.18.0 ; python_version >= "3.10" and python_version < "3.12"