chore(deps-dev): update mypy requirement from 1.14.1 to 1.15.0

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@v1.14.1...v1.15.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -70,7 +70,7 @@ pip-check-reqs = "^2.5.3"
 
 
 [tool.poetry.group.test-mypy.dependencies]
-mypy = "1.14.1"
+mypy = "1.15.0"
 
 
 [tool.poetry.group.test-pypi.dependencies]