Bump mypy from 1.5.1 to 1.6.0

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:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -56,7 +56,7 @@ development = [
     'xenon==0.9.1',
     'types-PyYAML==6.0.12.11',
     'codespell==2.2.6',
-    'mypy==1.5.1',
+    'mypy==1.6.0',
     #'flake8==5.0.4', # version 6.x.x requires python >= 3.8.1 (but 3.7 support window is until 2023-06-27)
     'bandit==1.7.5',
     'vulture==2.10',