Bump mypy from 0.812 to 0.961

Bumps [mypy](https://github.com/python/mypy) from 0.812 to 0.961.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.812...v0.961)

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

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

Author: dependabot[bot]

poetry.lock

@@ -31,7 +31,7 @@ pylint = "^2.10.2"
 sphinx = "^4.1.1"
 sphinx-autoapi = "^1.8.4"
 sphinx-rtd-theme = "^0.5.2"
-mypy = "^0.812"
+mypy = "^0.961"
 
 [tool.black]
 exclude = '(\.eggs|\.git|\.venv|node_modules/)'