simpler build sys

Author: MuellerSeb

pyproject.toml

@@ -1,10 +1,9 @@
 [build-system]
 requires = [
     "setuptools>=64",
-    "setuptools<72.2; implementation_name == 'pypy'", # https://github.com/pypa/distutils/issues/283
     "setuptools_scm>=7",
-    "numpy>=2.0.0rc1",
-    "Cython>=3.0.10,<3.1.0",
+    "numpy>=2",
+    "Cython>=3",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -13,7 +12,7 @@ requires-python = ">=3.9"
 name = "pentapy"
 authors = [{name = "Sebastian Müller", email = "info@geostat-framework.org"}]
 readme = "README.md"
-license = { text = "MIT License" }
+license = "MIT License"
 dynamic = ["version"]
 description = "pentapy: A toolbox for pentadiagonal matrizes."
 classifiers = [