Bump virtualenv from 20.26.6 to 20.36.1

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.26.6 to 20.36.1.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.26.6...20.36.1)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-version: 20.36.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -96,6 +96,6 @@ tblib==3.1.0
 timeago==1.0.10
 tinycss2==1.1.1
 tzlocal>=2.0,<3.0
-virtualenv==20.26.6
+virtualenv==20.36.1
 wheel==0.38.4
 xmltodict==0.10.2