Add setuptools as dev dependency

Author: mosquito

poetry.lock

@@ -37,6 +37,7 @@ mypy = "^1.14.1"
 pylama = {extras = ["toml"], version = "^8.4.1"}
 pytest = "^8.3.4"
 pytest-cov = "^6.0.0"
+setuptools = "^75.6.0"
 
 [tool.poetry.scripts]
 jwt-rsa = "jwt_rsa.cli:main"