🌱 Bump regex from 2025.11.3 to 2026.1.15 (#2467)

Bumps [regex](https://github.com/mrabarnett/mrab-regex) from 2025.11.3 to 2026.1.15.
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2025.11.3...2026.1.15)

---
updated-dependencies:
- dependency-name: regex
  dependency-version: 2026.1.15
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -27,7 +27,7 @@ python-dateutil==2.9.0.post0
 PyYAML==6.0.3
 pyyaml_env_tag==1.1
 readtime==3.0.0
-regex==2025.11.3
+regex==2026.1.15
 requests==2.32.5
 six==1.17.0
 soupsieve==2.8.1