Use setuptools>=75.2.0, matching Colab (#813)

Author: mhucka

requirements.txt

@@ -5,4 +5,4 @@ numpy>=1.26.0
 # CMake will find them. It makes a crucial difference in some environments.
 pybind11[global]
 typing_extensions
-setuptools>=78
+setuptools>=75.2.0

setup.py

@@ -147,7 +147,7 @@ def build_extension(self, ext):
     # "pip install" from sources needs to build Pybind, which needs CMake too.
     setup_requires=[
         "packaging",
-        "setuptools>=78",
+        "setuptools>=75.2.0",
         "pybind11[global]",
         "cmake~=3.31.0",
     ],