Bump regex from 2023.8.8 to 2023.10.3

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2023.8.8 to 2023.10.3.
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2023.8.8...2023.10.3)

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

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

requirements.txt

@@ -15,7 +15,7 @@ mkdocs-minify-plugin==0.7.1
 mkdocs-redirects==1.2.1
 nltk==3.8.1
 PyYAML==6.0.1
-regex==2023.8.8
+regex==2023.10.3
 six==1.16.0
 tornado==6.3.3
 tqdm==4.66.1