Bump mypy from 1.5.1 to 1.6.0 (#662)

Bumps [mypy](https://github.com/python/mypy) from 1.5.1 to 1.6.0.
- [Commits](python/mypy@v1.5.1...v1.6.0)

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

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

Author: dependabot[bot]

requirements-dev.txt

@@ -5,7 +5,7 @@ flake8-bandit==4.1.1
 flake8-bugbear==23.9.16
 flake8-import-order==0.18.2
 flake8-requirements==1.7.8
-mypy==1.5.1
+mypy==1.6.0
 types-passlib==1.7.7.13
 pep257==0.7.0
 sphinx==7.2.6