🌱 Bump regex from 2023.8.8 to 2023.12.25 (#603)

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2023.8.8 to 2023.12.25.
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2023.8.8...2023.12.25)

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

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

docs/requirements.txt

@@ -27,7 +27,7 @@ python-dateutil==2.8.2
 PyYAML==6.0.1
 pyyaml_env_tag==0.1
 readtime==3.0.0
-regex==2023.8.8
+regex==2023.12.25
 requests==2.31.0
 six==1.16.0
 soupsieve==2.5