Bump regex in the python-requirements group across 1 directory

Bumps the python-requirements group with 1 update in the / directory: [regex](https://github.com/mrabarnett/mrab-regex).


Updates `regex` from 2024.4.16 to 2024.5.15
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2024.4.16...2024.5.15)

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

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