Bump regex from 2025.11.3 to 2026.1.15 (#2179)

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](https://github.com/mrabarnett/mrab-regex/compare/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>

pyproject.toml

@@ -53,7 +53,7 @@ numpy = "^2.4.1"
 ordered-set = "^4.1.0"
 phonenumbers = "^9.0.22"
 python-json-logger = "^4.0.0"
-regex = "^2025.11.3"
+regex = "^2026.1.15"
 shapely = "^2.1.2"
 smartypants = "^2.0.1"
 mistune = "^3.2.0"