chore(deps-dev): bump mypy from 1.19.1 to 1.20.1

Bumps [mypy](https://github.com/python/mypy) from 1.19.1 to 1.20.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.20.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

dev-requirements.txt

@@ -5,6 +5,6 @@ flaky
 freezegun==1.5.5
 hypothesis
 ipdb
-mypy==1.19.1
+mypy==1.20.1
 pip-tools
 pre-commit