fix: update virtualenv requirement from <=20.29.2 to <=20.29.3 (#57)

Updates the requirements on [virtualenv](https://github.com/pypa/virtualenv) to permit the latest version.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@1.2...20.29.3)

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

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

pyproject.toml

@@ -63,7 +63,7 @@ test = [
     "pytest-github-actions-annotate-failures",
     "shellcheck-py==0.10.0.1",
     "pre-commit",
-    "virtualenv<=20.29.2"
+    "virtualenv<=20.29.3"
 ]
 
 [project.urls]