Update mypy requirement from ~=1.13.0 to >=1.13,<1.20

Updates the requirements on [mypy](https://github.com/python/mypy) to permit the latest version.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.13.0...v1.19.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.19.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -67,7 +67,7 @@ test = [
   "pytest-timeout",  # Timeout protection for CI/CD
   "rich",
   "ruff",
-  "mypy~=1.13.0", # pinned to old for python 3.8
+  "mypy>=1.13,<1.20", # pinned to old for python 3.8
   'typing-extensions; python_version < "3.11"',
   "wheel",
   "griffe",