Update mypy requirement from <1.12 to <1.14

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@v0.1.0...v1.13.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:production
...

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

pyproject.toml

@@ -62,7 +62,7 @@ dependencies = [
 [project.optional-dependencies]
 develop = [
   "black<25",
-  "mypy<1.12",
+  "mypy<1.14",
   "poethepoet<1",
   "pyproject-fmt<2.5",
   "ruff<0.6",