Update dependency mypy to v1.4.1 (#172)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -29,7 +29,7 @@ sphinx-c-apidoc = 'sphinx_c_autodoc.apidoc:main'
 pylint = "2.13.9"
 black = "23.3.0"
 pycodestyle = "2.10.0"
-mypy =  "1.4.0"
+mypy =  "1.4.1"
 pytest = "7.3.2"
 pytest-cov = "4.1.0"
 sphinx_rtd_theme = "1.2.2"