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...v1.14.1)

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

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

setup.py

@@ -71,7 +71,7 @@
             "black==24.10.0",
             "flake8==7.0.0",
             "isort==5.12.0",
-            "mypy<1.14",
+            "mypy<1.15",
         ],
     },
     python_requires=">=3.8",