chore(packaging): fix deprecated license classifier and license-files config

Author: francescobianco

pyproject.toml

@@ -5,8 +5,8 @@ description = "Openapi.com official mcp server implementation"
 readme = "docs/readme-pypi.md"
 requires-python = ">=3.13"
 license = "MIT"
+license-files = ["LICENSE"]
 classifiers = [
-    "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.13",
 ]
@@ -21,8 +21,6 @@ dependencies = [
     "fastapi>=0.110.0",
 ]
 
-[tool.setuptools]
-license-files = ["LICENSE"]
 
 [tool.pytest.ini_options]
 testpaths = ["tests/pytest"]