Bump mypy from 1.17.1 to 1.18.1 (#469)

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:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 -e .
 build==1.3.0
 docutils==0.22
-mypy==1.17.1; implementation_name=="cpython"
+mypy==1.18.1; implementation_name=="cpython"
 pre-commit==4.3.0
 pytest==8.4.2
 pytest-asyncio==1.1.0