Bump mypy from 1.20.2 to 2.1.0 (#392)

Bumps [mypy](https://github.com/python/mypy) from 1.20.2 to 2.1.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.20.2...v2.1.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements_lint.txt

@@ -1,7 +1,7 @@
 black==26.3.1
 flake8==7.3.0
 isort==8.0.1
-mypy==1.20.2
+mypy==2.1.0
 pre-commit==4.6.0
 pydocstyle==6.3.0
 pylint==4.0.5