Bump regex from 2024.4.16 to 2024.4.28

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2024.4.16 to 2024.4.28.
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2024.4.16...2024.4.28)

---
updated-dependencies:
- dependency-name: regex
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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