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

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

Author: dependabot[bot]

pyproject.toml

@@ -78,7 +78,7 @@ development = [
     'xenon==0.9.3',
     'types-PyYAML==6.0.12.20250822',
     'codespell==2.4.1',
-    'mypy==1.17.1',
+    'mypy==1.18.1',
     #'flake8==5.0.4', # version 6.x.x requires python >= 3.8.1 (but 3.7 support window is until 2023-06-27)
     'bandit==1.8.6',
     'vulture==2.14',