Bump pytype from 2021.8.3 to 2021.8.11 (#250)

Bumps [pytype](https://github.com/google/pytype) from 2021.8.3 to 2021.8.11.
- [Release notes](https://github.com/google/pytype/releases)
- [Changelog](https://github.com/google/pytype/blob/master/CHANGELOG)
- [Commits](google/pytype@2021.08.03...2021.08.11)

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

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

dev-requirements.txt

@@ -5,5 +5,5 @@ flake8==3.9.2
 isort==5.9.3
 pytest==6.2.4
 pytest-xdist==2.3.0
-pytype==2021.8.3
+pytype==2021.8.11
 snapshottest==0.6.0