Bump mypy from 1.15.0 to 1.19.0 (#367)

Bumps [mypy](https://github.com/python/mypy) from 1.15.0 to 1.19.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.15.0...v1.19.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.19.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -28,7 +28,7 @@ dev = [
     "flake8==7.2.0",
     "flake8-bugbear==24.12.12",
     "flit==3.12.0",
-    "mypy==1.15.0",
+    "mypy==1.19.0",
     "ufmt==2.8.0",
     "usort==1.0.8.post1",
 ]