Merge pull request #339 from python-openapi/dependabot/pip/mypy-1.9.0

Bump mypy from 1.8.0 to 1.9.0

Author: p1c2u

poetry.lock

@@ -69,7 +69,7 @@ pytest = "^8.0.2"
 pytest-flake8 = "=1.1.1"
 pytest-cov = "^4.1.0"
 tox = "*"
-mypy = "^1.8"
+mypy = "^1.9"
 isort = "^5.13.2"
 black = "^24.2.0"
 flynt = "^1.0"