Bump mypy from 1.17.1 to 1.18.1

Bumps [mypy](https://github.com/python/mypy) from 1.17.1 to 1.18.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.17.1...v1.18.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.18.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -1,7 +1,7 @@
 pytest==8.4.1
 pytest-cov==6.3.0
 coverage==7.10.6
-mypy==1.17.1
+mypy==1.18.1
 pydocstyle==6.1.1
 flake8==7.3.0
 pylint==3.3.8