Bump mypy from 1.15.0 to 1.18.1

Bumps [mypy](https://github.com/python/mypy) from 1.15.0 to 1.18.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.15.0...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

@@ -2,7 +2,7 @@ black==25.1.0
 coverage==7.10.3
 flake8==7.3.0
 isort==6.0.1
-mypy==1.15.0
+mypy==1.18.1
 pre-commit==4.3.0
 pygments==2.19.2
 pyupgrade==3.20.0