⬆️ Bump virtualenv from 20.16.6 to 20.16.7

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.16.6 to 20.16.7.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.16.6...20.16.7)

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

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

Author: dependabot[bot]

requirements.txt

@@ -234,6 +234,7 @@ shellingham==1.5.0
     # via typer
 six==1.16.0
     # via
+    #   asttokens
     #   exhale
     #   python-dateutil
 snowballstemmer==2.2.0
@@ -293,7 +294,7 @@ unidecode==1.3.6
     # via sphinx-autoapi
 urllib3==1.26.12
     # via requests
-virtualenv==20.16.6
+virtualenv==20.16.7
     # via pre-commit
 wcwidth==0.2.5
     # via prompt-toolkit