Undo changes to pyproject.toml and poetry.lock

Author: youtux

poetry.lock

@@ -45,7 +45,7 @@ gherkin-official = "^29.0.0"
 
 [tool.poetry.group.dev.dependencies]
 tox = ">=4.11.3"
-mypy = "^1.8.0"
+mypy = ">=1.6.0"
 types-setuptools = ">=68.2.0.0"
 pytest-xdist = ">=3.3.1"
 coverage = {extras = ["toml"], version = ">=6.5.0"}