Bump regex from 2023.12.25 to 2024.4.28

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2023.12.25 to 2024.4.28.
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2023.12.25...2024.4.28)

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

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

requirements.txt

@@ -15,7 +15,7 @@ mkdocs-minify-plugin==0.8.0
 mkdocs-redirects==1.2.1
 nltk==3.8.1
 PyYAML==6.0.1
-regex==2023.12.25
+regex==2024.4.28
 six==1.16.0
 tornado==6.4
 tqdm==4.66.2