🌱 Bump regex from 2025.7.34 to 2025.9.1

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2025.7.34 to 2025.9.1.
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2025.7.34...2025.9.1)

---
updated-dependencies:
- dependency-name: regex
  dependency-version: 2025.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -27,7 +27,7 @@ python-dateutil==2.9.0.post0
 PyYAML==6.0.2
 pyyaml_env_tag==1.1
 readtime==3.0.0
-regex==2025.7.34
+regex==2025.9.1
 requests==2.32.5
 six==1.17.0
 soupsieve==2.8