Bump mypy version to 1.1.1 (#53)

Author: piotr-rarus

poetry.lock

@@ -17,7 +17,7 @@ black = "^22.12.0"
 coverage = "^6.4.4"
 flake8 = "^6.0.0"
 isort = "^5.11.4"
-mypy = "^0.971"
+mypy = "^1.1.1"
 pre-commit = "^3.1.1"
 pytest = "^7.1.2"
 pytest-cov = "^3.0.0"