Revert:		https://github.com/pyauth/python-pkcs11/commit/d45957fd94abfd01b47cbf6a5b96862cf542dfbb

--- pyproject.toml.orig	2025-06-22 05:22:53 UTC
+++ pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=80.8", "cython", "setuptools-scm>=8.3.1"]
+requires = ["setuptools>=61", "cython", "setuptools-scm>=8.3.1"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -24,7 +24,7 @@ dependencies = ["asn1crypto>=1.5.1"]
     "Topic :: Security :: Cryptography",
 ]
 dependencies = ["asn1crypto>=1.5.1"]
-license = "MIT"
+license = {text = "MIT"}
 requires-python = ">=3.9"
 dynamic = ["version"]
 
@@ -49,11 +49,6 @@ combine-as-imports = true
 
 [tool.ruff.lint.isort]
 combine-as-imports = true
-
-[tool.setuptools]
-ext-modules = [
-    {name = "pkcs11._pkcs11", sources = ["pkcs11/_pkcs11.pyx"]}
-]
 
 [tool.cibuildwheel.linux]
 archs = ["auto64"]
@@ -96,4 +91,4 @@ dev = [
     { include-group = "release" },
 ]
 
-[tool.setuptools_scm]
\ No newline at end of file
+[tool.setuptools_scm]
