Chore(deps-dev): Update mypy requirement from <1.14 to <1.15

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...v1.14.0)

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

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

pyproject.toml

@@ -123,4 +123,4 @@ codespell = "<2.4"
 ruff = "<0.9"
 
 [tool.poetry.group.typing.dependencies]
-mypy = "<1.14"
+mypy = "<1.15"