Bump mypy from 0.902 to 0.910

Bumps [mypy](https://github.com/python/mypy) from 0.902 to 0.910.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.902...v0.910)

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

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

Author: dependabot[bot]

poetry.lock

@@ -17,7 +17,7 @@ deprecation = "^2.1.0"
 pytest = "^6.2.4"
 pytest-asyncio = "^0.15.1"
 pytest-cov = "^2.12.1"
-mypy = "^0.902"
+mypy = "^0.910"
 black = { version = "^21.7b0", allow-prereleases = true }
 
 [tool.black]