build(deps-dev): Bump mypy from 1.20.1 to 1.20.2

Bumps [mypy](https://github.com/python/mypy) from 1.20.1 to 1.20.2.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.20.1...v1.20.2)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.20.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -30,7 +30,7 @@ build-backend = "uv_build"
 [dependency-groups]
 dev = [
     "bandit[toml]>=1.9.4",                                  # Security assessment
-    "mypy>=1.20.1",                                         # Python typing
+    "mypy>=1.20.2",                                         # Python typing
     "pytest>=9.0.3",                                        # Testing framework
     "pytest-cov>=7.1.0",                                    # Test coverage
     "pytest-mock>=3.15.1",