build(deps): bump virtualenv from 20.27.1 to 20.28.0

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 20.27.1 to 20.28.0.
- [Release notes](https://github.com/pypa/virtualenv/releases)
- [Changelog](https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst)
- [Commits](pypa/virtualenv@20.27.1...20.28.0)

---
updated-dependencies:
- dependency-name: virtualenv
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -55,6 +55,6 @@ termcolor==2.5.0
 tqdm==4.67.1
 types-pyyaml==6.0.10
 types-tabulate==0.9.0.20240106
-virtualenv==20.27.1
+virtualenv==20.28.0
 viv-utils==0.7.11
 vivisect==1.2.1