build(deps): update regex requirement

Updates the requirements on [regex](https://github.com/mrabarnett/mrab-regex) to permit the latest version.
- [Changelog](https://github.com/mrabarnett/mrab-regex/blob/hg/changelog.txt)
- [Commits](mrabarnett/mrab-regex@2021.11.10...2025.7.31)

---
updated-dependencies:
- dependency-name: regex
  dependency-version: 2025.7.31
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -17,7 +17,7 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.9"
-regex = ">=2021.4,<2025.0"
+regex = ">=2021.4,<2026.0"
 "ruamel.yaml" = {version = ">=0.16.5,<0.19.0", optional = true}
 numpy = ">=1.19,<3.0"
 click = "^8.0"