Bump mypy from 0.982 to 0.991 (#120)

Bumps [mypy](https://github.com/python/mypy) from 0.982 to 0.991.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.982...v0.991)

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

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

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

Author: dependabot[bot]

requirements.txt

@@ -27,7 +27,7 @@ mccabe==0.7.0
 mock==4.0.3
 motor==3.1.1
 mongomock==4.1.2
-mypy==0.982
+mypy==0.991
 mypy-extensions==0.4.3
 nodeenv==1.7.0
 numpy==1.23.5