build(deps-dev): bump mypy from 0.930 to 0.931

Bumps [mypy](https://github.com/python/mypy) from 0.930 to 0.931.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.930...v0.931)

---
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

@@ -38,7 +38,7 @@ fastapi-crudrouter=['fastapi-crudrouter>=0.8.4']
 pytest = "^6.2.5"
 coverage = {extras = ["toml"], version = "^6.2"}
 safety = "^1.10.3"
-mypy = "^0.930"
+mypy = "^0.931"
 typeguard = "^2.13.2"
 xdoctest = {extras = ["colors"], version = "^0.15.10"}
 sphinx = "^4.3.2"