chore(deps): bump billiard from 4.1.0 to 4.2.1

Bumps [billiard](https://github.com/celery/billiard) from 4.1.0 to 4.2.1.
- [Release notes](https://github.com/celery/billiard/releases)
- [Changelog](https://github.com/celery/billiard/blob/main/CHANGES.txt)
- [Commits](https://github.com/celery/billiard/compare/v4.1.0...v4.2.1)

---
updated-dependencies:
- dependency-name: billiard
  dependency-version: 4.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pyproject.toml

@@ -12,7 +12,7 @@ dependencies = [
     'ansible-runner',
     'asn1crypto==1.5.1',
     'bcrypt==4.0.1',
-    'billiard==4.1.0',
+    'billiard==4.2.1',
     'chardet==5.1.0',
     'configparser==6.0.0',
     'decorator==5.1.1',