Bump pip-audit from 2.7.3 to 2.8.0

Bumps [pip-audit](https://github.com/pypa/pip-audit) from 2.7.3 to 2.8.0.
- [Release notes](https://github.com/pypa/pip-audit/releases)
- [Changelog](https://github.com/pypa/pip-audit/blob/main/CHANGELOG.md)
- [Commits](pypa/pip-audit@v2.7.3...v2.8.0)

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

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

Author: dependabot[bot]