Bump regex from 2024.7.24 to 2024.9.11 in /docker/privx-api (#32250)

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2024.7.24 to 2024.9.11.
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2024.7.24...2024.9.11)

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

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